Does garmin watch have ecg

Does garmin watch have ecg DEFAULT

Amazfit Smartwatch 2 ECG vs Garmin Vivoactive 4

144 facts in comparison

Amazfit Smartwatch 2 ECG

Garmin Vivoactive 4

Why is Amazfit Smartwatch 2 ECG better than Garmin Vivoactive 4?

  • 3.05x higher resolution?
    454 x 454pxvs260 x 260px
  • 6.92% bigger screen size?
  • 1.63x higher pixel density?
  • Has voice commands?
  • 1.5g lighter?
  • Has an OLED or AMOLED display?
  • Has ECG technology?
  • 9.7mm shorter?

Why is Garmin Vivoactive 4 better than Amazfit Smartwatch 2 ECG?

  • Monitors blood oxygenation levels?
  • 3 days longer battery life?
    8 daysvs5 days
  • Has NFC?
  • Locates your phone?
  • Has call control?
  • Automatically syncs?
  • Always-On Display?
  • Has a barometer?

User reviews

Overall Rating

Amazfit Smartwatch 2 ECG

0 User reviews

Amazfit Smartwatch 2 ECG

Garmin Vivoactive 4

3 User reviews

Garmin Vivoactive 4


Build quality




Fitness features


The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.

Damage-resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.

Resistance to sweat makes it ideal for use while doing sports.

You can operate the device easily, by pressing the screen with your fingers.

The watch band is removable and can be replaced by any standard watch band of the correct size, allowing you to customise it to your liking.

The device has an electronic display to present information to the user.

Resolution is an essential indicator of a screen's image quality, representing the maximum amount of pixels that can be shown on the screen. The resolution is given as a compound value, comprised of horizontal and vertical pixels.

The user can see information such as date, time, and notifications even when the screen is off. The functionality can be enabled or disabled.

The bigger the screen size is, the better the user experience.


A heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise.

2.has GPS

✔Amazfit Smartwatch 2 ECG

✔Garmin Vivoactive 4

GPS enables global positioning, useful in map, geo-tagging or navigation apps.

Your blood oxygen level is a measurement how much oxygen is reaching your muscles. It is important because low levels mean that you will become easily fatigued during exercise. The more exercise you do, the better your blood oxygen levels will become.

An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.

A compass is useful for gaming, maps, and navigation software.

This measures barometric air pressure. It can predict weather changes, for example a sudden drop in air pressure could mean a storm is coming. When calibrated correctly it can be used to determine altitude, which helps GPS devices to lock on quicker and with greater accuracy.

With a temperature sensor you can monitor changes in temperature to measure your exertion levels and avoid hyperthermia.

A gyroscope is a sensor that tracks the orientation of a device, more specifically by measuring the angular rotational velocity. Initially, they were built using a spinning rotor to detect changes in orientation, like twisting or rotation.

A cadence sensor measures the number of pedal revolutions per minute when you are cycling. It enables you to monitor how fast you are pedaling.

Activity tracking

It can track your sleep, such as how long you sleep for and the quality.

It tracks how far you travel.

It tracks how many steps you take throughout the day, allowing you to see how active you have been.

Measuring pace shows how much time it takes to travel one kilometer or one mile. For example, in running, a 4 minute kilometer would be a very good pace.

Your activity data is analysed to give you reports, available to view through the app or website. This allows you to see how active you have been and to help you make improvements.

Your sleep data is analysed to give you a report, available to view through the app or website. This allows you to see the quality of your sleep and to help you make improvements.

The device automatically detects when you start an activity such as jogging, saving you from entering it manually at a later time.

It can detect changes in elevation, such as when you are climbing stairs.


It is compatible with a range of Android devices such as smartphones and tablets.

2.has NFC

✖Amazfit Smartwatch 2 ECG

✔Garmin Vivoactive 4

NFC (near-field communication) allows a device to perform simple wireless transactions, such as mobile payments. Note: this feature may not be available in all markets.

The device syncs all of your data wirelessly, without the need for cables.

The device can connect to Wi-Fi.

The device automatically syncs your data when in range of your computer or smartphone.

6.Bluetooth version

Unknown. Help us by suggesting a value. (Amazfit Smartwatch 2 ECG)

Unknown. Help us by suggesting a value. (Garmin Vivoactive 4)

Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.

Devices that use cellular technology can connect to mobile networks. Cellular networks have much wider signal coverage than Wi-Fi.

It is compatible with a range of iOS devices such as iPhones, iPads and the iPod Touch.

Wi-Fi 4 (802.11n) is a wireless standard released in 2009. It has faster transfer rates and improved security compared to its predecessors – a, b, and g.


With a longer battery life, you don’t have to worry about charging the device as often.

2.battery power

Unknown. Help us by suggesting a value. (Garmin Vivoactive 4)

Battery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.

There is less chance that you will run out of battery during an adventure.

The time it takes to fully charge the battery.

In power save mode you can still check what time it is and other basic functions. A long battery life is good if you wear the device day to day.

9.battery life in training mode

Unknown. Help us by suggesting a value. (Amazfit Smartwatch 2 ECG)

Unknown. Help us by suggesting a value. (Garmin Vivoactive 4)

With a long battery life, you can train for several hours a week and only have to recharge the device every few weeks.


The device has a speaker and microphone that allow you to answer calls made to your smartphone.

The device has a feature that allows you to find your smartphone if you have misplaced it.

The device alerts you to incoming calls on your smartphone, and allows you extra control such as muting or rejecting the call.

If you get a notification such as a call or message, the device will vibrate on your wrist or make a noise to alert you.

The device can wake you using vibration, so as not to disturb anyone else sleeping in the room.

With a stopwatch you can time yourself.

Vibrating alerts have a variety of uses, such as interval training.

It determines when you are in a light state of sleep and wakes you up within a set period of time before your alarm. This can allow you to wake up feeling fresher and more alert.


Unknown. Help us by suggesting a value. (Garmin Vivoactive 4)

Random-access memory (RAM) is a form of volatile memory used to store working data and machine code currently in use. It is a quick-access, temporary virtual storage that can be read and changed in any order, thus enabling fast data processing.


You can listen to your own music when working out. This can make exercising more enjoyable and motivate you to push yourself further.

You can download the app for free, from platforms such as Google Play or the App Store.

You can add widgets to the home screen. This allows you to have more flexibility and to see information at a glance, without going into the app.

Your data is synced to the cloud, making it easier to access across different devices and making sure it is always backed up in case you lose your device.

The Ingress Protection (IP) rating classifies the degree of protection against dust and water. Higher ratings are better. For example, a device rated IP68 can resist immersion into water for a certain time, specified by the manufacturer.

Adverts can be distracting and obtrusive. Apps and blogs without ads are more aesthetically pleasing, nicer to use, and make the content stand out.

Which are the best smartwatches?

Samsung Galaxy Watch Active2 LTE Stainless Steel 44mm

Samsung Galaxy Watch Active2 LTE Aluminium 44mm

Samsung Galaxy Watch Active2 Stainless Steel 44mm

Samsung Galaxy Watch 4 Classic LTE 46mm

Samsung Galaxy Watch Active2 Aluminium 44mm

Apple Watch Series 5 GPS + Cellular Aluminium Case 44mm

Show all
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One of the significant causes of death these days is a sudden heart attack. In the USA after every 40 seconds a person has a heart attack. For this reason, monitoring early signs of heart attack is essential so that it can be prevented. All you need is the best smartwatch with ECG to monitor your heart.

Smartwatches are evolving day by day. From fitness trackers to other sensors, these watches are helping people monitor their sleep, exercise, everyday life, and general health.

This technology is helping people keep a closer look at their heart health. These watches can even be used for identifying atrial fibrillation, which is one of the leading causes of stroke.

Our Recommendation


7 Best Smartwatch with ECG

If you are planning to get the best smartwatch with ECG, then these are the ones you should look to:

  • Apple Watch Series 6
  • Fitbit Sense Advanced Smartwatch
  • Samsung Galaxy Watch Active 2
  • Samsung Galaxy Watch 3
  • Garmin Forerunner 235 GPS Sport Watch
  • Newest Garmin Vivoactive 4 GPS Smartwatch
  • SOREX EG4 Smartwatch

Apple Watch Series 6

smartwatch with ecg

Apple Watch Series 6 is one of the best smartwatches with ECG because it is FDA approvedand counts the blood oxygen level. It can track irregular heart rate and atrial fibrillation. It is easy and simple to use.

The ECG recording steps are the same for Apple Watch Series 4, 5, and 6. All you have to do is to look for a quiet and calm place. Open the ECG app and touch the Apple watch crown for 30 seconds.

You will get a guide about reading and notification of whether the reading was abnormal or normal.

You can share the ECG details with your doctor to get professional advice. Apple Health smartwatch app will provide you with an EKG graph of heart rate.

The watch has a SpO2 feature along with an advanced that can monitor blood oxygen levels accurately. Apple Watch Series 6 also provides notifications for irregular heart rhythms.

Not only the blood oxygen feature and ECG, but it also serves as the complete package for fitness and health needs. It has a sleep monitor, fitness tracker, elevation tracker, voice assistant, and heart rate monitor.

Along with health tracking functions, it can also track outdoor and indoor activities. It can measure workouts such as walking, swimming, running, cycling and yoga. Apple Watch Series 6 is 20% faster than Series 5 and has a swim-proof design.

  • FDA Approved
  • Monitors blood oxygen level
  • LTE connectivity
  • Built-in music storage
  • Overpriced
  • Works only with Apple Health Smartwatch app

Fitbit Sense Advanced Smartwatch

best smartwatch with ecg app

Fitbit is a renowned company for fitness trackers and smartwatches. Fitbit Sense Advanced Smartwatch has full features of fitness and health with the ability to perform an ECG.

It also includes HRM and is perfect to wear anytime and anywhere.

For taking the electrocardiogram reading, wear your watch and place your finger on an aluminum case. Fitbit Sense will monitor unusual low and high heart rates. It gives notifications for irregular heart rhythms, and you can share these results with your doctor through the Fitbit ECG app. PPG sensors scan these abnormal rhythms.

However, the ECG app for Fitbit Sense operates only in selected countries. It does not work in UK, USA, Europe, New Zealand, Singapore, and Canada.

Apart from this, there are multiple features of this watch that you can enjoy. You can control your alarms, bedtime reminders, and smart home devices, and this all can be done by just speaking to it.

It has an EDA scan that can detect electrodermal activity. This will indicate the response of the body to stress. Fitbit Sense Advanced has built-in temperature sensors that can monitor your body temperature. In this way, you will have an idea of temperature variation.

  • PPG sensors
  • EDA scans for electrodermal activity
  • Notifications for irregular heart rate
  • Temperature sensors

Samsung Galaxy Watch Active 2

best smartwatch for heart patients

Samsung Galaxy Watch Active 2 is another option if you are looking for the best smartwatch with ECG functionality. This watch provides you with automatic detection of your heart rate so you can check if it is normal. It can detect abnormal variations in heart rate and quickly alerts you.

Taking the reading for ECG is simple with Samsung Galaxy Watch 2. You need to wear your watch and put the finger of the opposite hand on the case.

This watch conducts the ECG rate with the use of a heart rate sensor.

An important thing you need to remember while taking ECG reading is to stay as calm as possible. Resting your forearm over a flat surface is also essential. Do not shift for 30 seconds while taking ECG readings.

It comes with a built-in sleep tracker, which provides valuable information and ways to get better sleep at night. This watch has the functionality of monitoring stress levels and also helps you normalize with the integrated Calm app.

It can track physical activities, and health tracking features such as calorie tracking, ECG, sleep, and stress tracking. Samsung Galaxy Watch 2 is perfect for people with a thin wrist because of its light, sleek and thin design. It is ideal for wearing on any occasion.

  • Sleek and comfortable to wear
  • Notification support
  • Heart rate and health tracking
  • GPS and LTE connectivity
  • Overpriced
  • Do not work with devices released before 2019

Samsung Galaxy Watch 3

watch for heart patients

This watch can give you valuable insights into your health and fitness. You can keep a look at your physical activities. It is an FDA-approved smartwatch with ECG functionality. Moreover, it can serve as the best alternative to Apple Watch Series 6.

It is packed with an additional feature of monitoring blood pressure along with ECG. What makes it best is its multiple functions such as ECG, Blood oxygen level, heart rate monitoring, calorie tracking, and blood pressure monitoring.

One of the excellent features of this watch is fall detection. There are advanced sensors that can detect hard falls and immediately send a message to the emergency number of your location. It will automatically call Emergency service if the fall alarm is not deactivated in a few minutes.

With all these features, this watch is best for people with blood pressure issues. It is available in two versions, 41 and 45mm. This watch has all the elements that will keep you on the right path. It will detect your stress levels and provide you guidelines for calm breathing, and helps to relax.

The health monitor app of Samsung is licensed for South Korea, the US, and Europe, but soon it is coming to other countries such as UK, Germany, Italy, Spain, Switzerland, etc.

  • FDA Approved for ECG monitoring
  • Rotating bezel and premium design
  • Waterproof
  • LTE/4G connectivity
  • Slightly overpriced
  • ECG feature works only with Galaxy smartphones.

Garmin Forerunner 235 GPS Sport Watch

Garmin Forerunner 235 is a multi-sports GPS smartwatch that will keep track of your stats. It counts the number of crunches and everything that you need to know about your workout performance. This watch monitors your workout load and helps you see if you are overdoing it.

The watch keeps all information about running form, your performance, your goals, and training. Tracking the running dynamics will help you to be in your state. Another essential feature of this watch is the training plan by the Garmin coach, which is free.

It has assistance and incident detection features. Moreover, it has a high-resolution display that allows you to see read the dial under direct sunlight. Because of its thinner and lighter design, you will never feel stress on your wrist. 

It tracks your heart rate all day, smartphone notification feature, access to IQ app store of Garmin Connect, and music controls.

This watch acts more like your boss because it prepares you for your next workout. It can predict race timing and the recovery time and advisor. In this way, it gives you an idea about when to start your next training.

Another essential feature is the VO2 MAX. It is a metric usually used by athletes to measure the maximum oxygen amount during a workout. Additional running features include interval workout, auto lap, auto pause, and keeping personal tracking records.

  • Monitors heart rate
  • Smart notification
  • Tracker for different activities
  • GPS accuracy
  • VO2 MAX feature
  • Connection issues
  • No data organization
  • No music

Garmin Vivoactive 4 GPS Smartwatch

fda approved watches with ecg

This watch is best for checking your energy levels after all the physical activities during the day. It takes data by tracking your activity, sleep, stress, and heart rate variability (HRV).

The watch has built-in features which constantly keep a check on your heart rate.

Its notification feature alerts you when the heart rate is too high or too low when you rest. You can also receive notifications about texts, emails, and alerts when paired with a smartphone. Moreover, it helps you understand how hard you are working, either in the gym or underwater.

The Pulse Ox sensor in-app can track blood oxygen saturation and respiration level for monitoring the number of breaths in a minute. It has excellent built-in GPS features that will keep track of every move. The GPS feature also tracks running, walking, pool swimming, cycling, golf, etc.

This watch also helps you with more than 40 screen workouts for cardio, Pilates, yoga, and strength training. You can follow the animation and perform the technique and form as it demonstrates on watch. So no worries if you are missing your gym for few days.

  • Best for exercise tracking
  • GPS accuracy
  • Workout stats
  • Music streaming

SOREX SG5 Smartwatch

This smartwatch is health-focused because of its ECG and PPT features. These features help in detecting potential abnormalities in the heart.

PPT feature can perform a PPT test that shows abnormalities in heart rate variability or QT interval. It also shows variations in time between the heartbeats.

This test can help in explanation and diagnosis. It comes with a complete heart rate package that includes a smartwatch, 10 electrodes, and a watch base. This package helps perform PPT and ECG tests to check any abnormality, heart rate variability, and QT interval.

Another essential feature in this watch is SpO2, Blood pressure, and sleep monitoring sensor. It accurately measures blood oxygen levels along with blood pressure.

Moreover, it helps in tracking sleep patterns. All these features can help you keep a close look at your health and take action to stay healthy and active.

The 10 sport modes in SOREX SG5 helps in maintaining a healthy lifestyle as it shows dynamic data on the homepage such as calories, steps, temperature, and weather. You can also enjoy sleep goal setting, monitoring, music control, sedentary reminder, countdown, stopwatch, HRV data analysis, etc.

  • ECG and PPT features
  • Heart rate package
  • Battery life
  • SpO2 feature
  • No accurate sleep tracking
  • Connectivity issues

No matter which ECG smartwatch you will buy, you must consider these factors to buy the perfect one.


To get the perfect ECG smartwatch, first of all, you have to consider the accuracy of that smartwatch. If that watch gives accurate results of the ECG app, then you are ready to go for that watch.

SpO2 Feature

The best smartwatch with ECG is incomplete without the SpO2 feature. By using this feature, you can find out how well your heart pumps oxygen throughout your body.

People with conditions that affect blood oxygen levels may use it to monitor their health, especially if they are in the hospital.

FDA Approved

The next thing that you have to check in the watch that you are going to buy is whether it is FDA approved or not. If yes, then you can go for that watch.

An FDA-approved product means that the FDA has decided that the product’s benefits outweigh the known risks. The manufacturer must submit a pre-market approval application and results of clinical testing.

PPG  Sensor

For monitoring heart rate, photoplethysmography (PPG) is an uncomplicated and inexpensive optical measurement method. 

PPG measures the volumetric variations of blood circulation by using a light source and a photodetector at the skin’s surface.

The PPG sensor is the plus point for the best ECG smartwatches.

Temperature Sensor

Signals from this sensor are used to measure temperature. When it detects a temperature change, the sensor produces an electrical voltage or resistance.

If the watch contains this feature, it is the plus point for that watch, and you are pretty good to go for it.


There is no doubt that the number of deaths because of sudden heart attacks increases day by day. It is essential to keep track of your heart rate, and overall health is essential. Therefore we provided you with information about the popular choices for the best smartwatch with ECG.

Apple Watch Series 6 is the most popular smartwatch with ECG functionality. It can alert you immediately for any abnormality in your heart rate.

I hope we were able to guide you thoroughly and provide answers to your questions. I hope you had a great time reading this article, and it will be great if you choose a smartwatch from our list.


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This morning, Garmin rolled out its new Venu 2 Series GPS smartwatch, which has sleep score capability. The Venu 2 gives users specific insights about their sleep, including light, deep and REM sleep. Users can also view information about their pulse oxygen and respiration rate when sleeping.

The new watch is able to give users their body age by using their chronological age, activity, resting heart rate, and BMI or percent body fat.

In addition, users can see their health records over time with a "health snapshot" function, which logs, records and shares health statistics. Wearers can also gain insights into their Pulse Ox2, stress rates and hydration.

The watch has a fitness focus and provides users with more than 25 sports apps. It is listed at $399.


According to Pew Research Center, 21% of Americans report using a smartwatch or fitness tracker. The report found that adults making over $75,000 a year were the most likely to own a wearable.

Household brands such as Fitbit, Apple and Amazon have rolled out a slew of consumer-grade wearables. Like Garmin, these companies are pitching the technology as a way to help users boost their fitness and lifestyle.

“At the core of the Venu product line is the belief that when you live healthy, you live better,” Dan Bartel, Garmin vice president of global consumer sales, said in a statement. “The Venu 2 series builds on this story with exciting new features that help explain what’s going on inside your body as well as the fitness and wellness tools needed to make healthy choices every day.”


Garmin consistently rolls out new watches multiple times a year. In 2021 alone, it unveiled its Enduro, a watch designed for athletic training with GPS, and a smaller wearable called Lily, which the company pitched as a product “designed by women, for women.”

However, unlike other wearable companies, Garmin has not yet integrated an ECG into its products. In 2018, Apple changed the wearable game when it announced an atrial fibrillation-detecting algorithm and an ECG for the company's Series 4 Apple Watch.

Since then, Samsung, Withings and Fitbit have all pursued ECG features.

Why doctors are worried about the Apple Watch EKG
Garmin ECG

Apple Watch Series 4 was the first smartwatch that comes with FDA approved ECG tracking feature. Later, both Samsung and Fitbit joined the club by successfully integrating the EKG feature into their smartwatches.

Garmin Smartwatches come with many advanced health tracking features such as heart rate variability, irregular heart rate alert, sleep tracking, calorie tracker, etc. But does it have ECG feature?

Must Read: Best FDA Approved ECG Smartwatches in 2021

Let us find the answer.

Do Garmin watches have ECG?

As of now, Garmin wearables do not come with any ECG tracking features. It cannot distinguish between atrial fibrillation and sinus rhythm (normal heart rhythm).

Even the newly released Garmin Forerunner 945 LTE and Garmin Forerunner 55 does not have an ECG tracking feature. These devices have features closest to an ECG with its VO₂ Max and PPG heart-rate sensor. However, it does not detect atrial fibrillation or abnormal heart rhythms.

Lack of ECG is a significant disadvantage of Garmin wearables compared to advanced health-tracking smartwatches such as Apple Watch Series 6, Samsung Galaxy Watch 3, and Fitbit Sense.

Fortunately, now there is hope for Garmin lovers too. As per the latest update, Garmin is actively researching whether its smartwatches can take an ECG and detect Afib.

Garmin Fenix 6 Pro Advanced GPS Smartwatch
Garmin Fenix 6 Pro Advanced GPS Smartwatch
  • Fit for performance with rugged, sophisticated design that features an always-on...
  • Enhanced estimated wrist heart rate and Pulse Ox to support advanced sleep...
  • Advanced training features include PacePro for grade-adjusted pace guidance...
  • Navigate the outdoors with preloaded topo maps, ski maps for over 2,000...

Garmin ECG Research

Garmin is currently doing an Electrocardiogram Clinical Validation Test to validate the ECG algorithm for Garmin smartwatches that can detect atrial fibrillation from the data derived from the single-lead ECG sensor.

FDA Approved ECG tracking smartwatches from Apple, Samsung and Fitbit also use a single lead ECG sensor to detect irregular heart rate on their devices.

All these devices are pretty accurate compared with a 12 lead ECG used to diagnose cardiac problems in a clinical or hospital setting.

Even though these EKG smartwatches don’t replace an actual medical-grade device, they can alert you to any irregular heart rates or atrial fibrillations that might be early signs of a cardiac arrest or stroke.

If Garmin succeeds in developing an ECG tracking feature, it will make revolutionary changes in sports wearables as sports personnel mainly depend on Garmin wearables.

We hope that Garmin will introduce a more advanced type of watch with an ECG tracking feature in the near future.

When can we Expect Garmin ECG Smartwatches?

At present, there is no confirmation about when Garmin will launch smartwatches with the ECG tracking feature.

It is difficult to predict when Garmin will come out with its new ECG tracking smartwatch, as it has to undergo hurdles such as clinical validation by the FDA.

But we hope that Garmin may release the new Garmin Fenix 7 and Forerunner 955 devices with the Garmin ECG feature at the beginning of 2022

Saneesh VS

Saneesh VS is a Registered Nurse by Profession and Wearable Tech Enthusiast by Passion. He loves to write about fitness, smartwatches, and fitness trackers. He also loves reading books on wearable tech, technology in healthcare, artificial intelligence, etc., which he has been writing for the past 5 years.

Categories Garmin WatchesTags TipsSours:

Have does garmin ecg watch

Garmin to get ECG and AFib from ELEVATE 4 – later in 2021?

FTC: Affiliate Disclosure: All links pay commissionReading Time: 2minutes

Currently, Garmin supports abnormal heart rate detection by a method that simply alerts you to sustained periods of high heart rate when you appear to be inactive. This has some usefulness but is an ineffective tool when compared to Garmin’s competition. Indeed Garmin is clearly behind the competition in this important health space. Other competitors’ watches that have EKG/ECG include

  • Apple Watch Series 4, 5, 6
  • Samsung Galaxy Watch 3
  • Fitbit Sense
  • Withings Move ECG
  • Amazfit Smartwatch 2

In 2018, Garmin collaborated with the University of Kansas Medical Centre for an AF study. I would assume this study used the previous generation of Garmin Elevate sensor and I would further assume that Elevate Gen 3 plus associated algorithms did not meet the required standard, otherwise, Garmin would have released AF features quite some time ago.

Garmin has recently released their Gen 4 ELEVATE sensor which has so far only been introduced on their Venu 2 and Forerunner 945LTE models. Now there is an active and ongoing Garmin-sponsored validation study to confirm their software algorithms can perform on a clinically equivalent basis to a Lead I ECG/EKG. This study is due to end in July 2021, with the results probably being leveraged soon after.

If the study goes well, we could expect AF/ECG features later this year on the top-end Garmin health & fitness devices, ie both the Vivoactive/Venu and Fenix ranges. Indeed this could perhaps end up as one of the headline features for this year’s Garmin Fenix 7 and Vivoactive 5.

The studies aims are stated thus:

The purpose of the study is to confirm the Garmin ECG (electrocardiogram) software algorithm can detect and classify atrial fibrillation and normal sinus rhythm on single lead ECG data derived from a Garmin wrist-worn, consumer device. The study will also confirm the software’s ability to create a Lead I ECG that is clinically equivalent to a reference device.

Why would I want EKG/ECG or AF Capabilities?

A study showed cardiomyopathy to be the major cause of sudden cardiac death in 8 cases out of a cohort of 11,000 young football players.

Only yesterday, Christian Eriksen (Denmark) collapsed as a result of a cardiac arrest during an International Football Game ( Although this is NOT now thought to be AF-related, every top-level footballer will be regularly scanned for heart abnormalities and, in the UK, the Football Association operates a scheme to get young footballers scanned by ECG. Clearly, Garmin and the competition will not be marketing their devices as diagnostic tools but should they throw up readings of concern then you would be wise to immediately seek a full medical evaluation.

via @DH, thank you for the heads up!

Edits from feedback by @Circe, below

Info: Electrocardiogram

Info: Atrial Fibrilation




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Tags:afib, atrial fibrilation, ecg, ekg, GarminSours:
Apple Watch Series 6 vs Garmin Venu 2 // Comparing 2 of the Best Fitness Smartwatches

Wearable brand Garmin is actively researching whether its smartwatches can be used to track ECG and atrial fibrillation (Afib). Results of the Clinical Trial are expected in July.

What is an ECG?

An electrocardiogram (ECG) is a test that is used to check the health of your heart’s rhythm and electrical activity. The tech is often used to diagnose symptoms of a possible heart problem, such as arrhythmias, coronary heart disease, heart attacks and cardiomyopathy.

Essential reading: Keep tabs on your heart – wearables the come with an ECG sensor

In the doctors office, a test involves attaching a series of electrodes to your arms, legs and chest. These sensors lead from your body to an ECG recording machine.

Apple will roll out ECG feature to other countries in 2019

Previously you could only take ECGs in medical settings or by purchasing a bulky machine. That has changed in recent years. You could say, home-ECG monitoring has been popularized by the Apple Watch. Series 4 and above come with the tech built in allowing anyone to keep an eye on their heart health from the comfort of their living room.

This works on demand. Users are meant to launch the ECG app and rest their finger against the digital crown on the Apple Watch. This creates a closed circuit with the sensor on the back and then the electrodes work in tandem to capture electrical impulses from the heart.

But Apple is not the only wearable brand with ECG monitoring. There are others such as Withings, Fitbit and Samsung, plus a number of less well known options.

What you’ll notice is that Garmin is not on this list. Unlike some other wearable brands, Garmin has not yet integrated ECG into its products. Well, that might be about to change.

Garmin is working on a single-lead ECG device

In April this year, Garmin has launched a Clinical Trial to determine whether its proprietary ECG technology is any good. This is how the study is described in the US National Library of Medicine.

“The purpose of the study is to confirm the Garmin ECG (electrocardiogram) software algorithm can detect and classify atrial fibrillation and normal sinus rhythm on single lead ECG data derived from a Garmin wrist-worn, consumer device.

The study will also confirm the software’s ability to create a Lead I ECG that is clinically equivalent to a reference device. The Garmin ECG software is not a diagnostic system and is intended for informational purposes only.”

The most interesting part of this description is that it clearly states the single-lead ECG device is a Garmin “wrist-worn, consumer device”. Single lead data is what is typically derived from smartwatches with ECG technology. This is less accurate than 12-lead ECGs, which is what you typically get in a medical setting.

Nevertheless, studies have shown that single-lead smartwatches do a decent enough job when measuring ECG from the wrist. One such study published in BMJ Journal shows that such wearables offer “moderate diagnostic accuracy when compared with a 12-lead ECG”. And suggest that “physician involvement will likely remain an essential component when exploring the utility of these devices for arrhythmia screening.

Looking out for Afib

Garmin is testing whether its wearable can be used to detect and classify normal sinus rhythm and atrial fibrillation. The latter is an irregular heart rhythm and the most common type of arrhythmia. It effects about one in 18 people, or 5% of the US population.

Having Afib is only a part of the problem. The other part is that a lot of people don’t know they have it. Early identification is key so that you can head off any potentially life-threatening developments before they arise.

Some 460 people, 22 years and older, are participating in the study which Garmin plans to conclude in July. Some of these have specifically been recruited because they have a known history of atrial fibrillation. Others have no known diagnosis of any arrhythmia. All participants are equipped with a single-lead Garmin ECG-enabled wearable device and the results are being compared with a 12-lead ECG.

When could we see a Garmin watch with ECG?

Even if the trial is successful, that’s not the end of the road. Garmin will still need regulatory approval for such a wearable. In the US this comes from the FDA. Only then will it be able to launch a consumer device that can be used for self-monitoring ECG.

Withings has shown just how difficult it can be to get the stamp of approval from the FDA. It has secured the regulatory go-ahead for Scanwatch in Europe more than a year ago, but is still waiting for US approval.

We saw recent launches of the Garmin Forerunner 55 and Forerunner 945 LTE. Other watches that might land this year include the Garmin Vivoactive 5 and possibly the Forerunner 955. We don’t see the Fenix 7 landing before the start of 2022. Might some or all of these come with ECG? That’s quite possible.

Essential reading: Best fitness trackers and health gadgets

We are expecting the Vivoactive 5 to arrive in early autumn, ahead of the end-year holiday shopping period. The current version was launched in Q3 2019 so is well due for an upgrade.

In our mind, that watch alongside its more pricey sibling the Venu are ideal candidates for ECG monitoring as they are Garmin’s all-purpose watches. Whether we see the tech included this year depends on the results of the Clinical Trial and length it takes to get FDA approval.

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Keeping tabs on your heart is important. Thankfully, with the advent of wearable tech, it is easier than ever to make sure your ticker is functioning properly. In this article we provide an overview of smartwatches and other wearable tech that come with a built-in ECG sensor.

What does an ECG do?

With each beat your heart sends out an electrical impulse. Although this electricity amount is very small, it can be picked up with ECG (EKG) electrodes attached to the skin. You’ve probably seen ECG monitors in movies. It is the medical apparatus which generates squiggly lines which let you know whether your heart rhythm is showing signs of atrial fibrillation or is beating in a normal pattern.

Essential reading: Top fitness trackers and health gadgets

While there is no shortage of heart rate training chest straps, ECG monitors have not been available to amateur fitness enthusiasts until recently. Now there is a healthy range of devices which are capable of dishing up a pulse waveform similar to what you’d get from a professional electrocardiogram. They come both in the form of smartwatches and other devices.

It is worth noting, most of these wearables will not do a perfect job. But the hope is they may warn some people who do not know they are living with a heart condition.

Of course, self-diagnosis should always be avoided, and you should refer to your physician for a medical interpretation of your readings. With that in mind, here’s a selection of devices capable of taking ECG measurements.

You’ll find devices from most of the big wearable brands in this list. The one notable exception is Garmin. However, we are expecting the first Garmin devices with ECG to debut soon. How do we know this? Its because the company has been trialing Garmin watches that can do this for months now.

Jump to

Apple Watch 4 & above
Withings BPM Core
Withings Move ECG
Samsung Galaxy Watch 4 & Watch 4 Classic 
Fitbit Sense & Charge 5

Wearables that come with an ECG sensor


Keep tabs on your heart: wearables that have an ECG sensor

QardioCore is a smart, wearable ECG monitor. A number of years in the making, the device is designed to improve detection and management of cardiac conditions.

Six subsystem layers of QardioCore’s sensor system record and analyze over 20 million data points daily along with other important heart metrics. To use, simply wear it around your chest as you would a heart rate band.

According to Qardio’s website, the device has been clinically validated and approved by the FDA to accurately and continuously track your complete heart health. The gizmo records your electrocardiogram, heart rate, heart rate variability, body temperature, respiratory rate, activity and stress level. An impressive list, indeed.

QardioCore is portable, discreet and water resistant and works with the companion Qardio app where you can share your measurements with your doctor, trainer or family members. Alongside the ECG trace, the accompanying smartphone app offers friendly data visualization that is simple to understand.

QardioCore is a nice bit of kit but fairly expensive. It is particularly suited for people with increased health risk caused by family predisposition, history of heart attacks or strokes, high blood pressure, high cholesterol, diabetes and excess weight.

Amazon | Qardio*

AliveCor KardiaMobile 6L

Many expected AliveCor to be squashed by the launch of the first ECG enabled Apple Watch. However, the company still seems to be plodding along just fine as it continues to sell its ECG accessories. Of course, it has killed off its Apple Watch ECG accessory KardiaBand. 

The outfit recently announced a collaboration with Huami. The deal covers both AliveCor technology and services. We are expecting first Amazfit watches with ECG to land in the months ahead, certainly before the end of 2021.

But this is not distracting AliveCor from continuing production of KardiaBand. Its most most recent product is the KardiaMobile 6L. Unlike its earlier product range which has a single lead ECG, this one comes with a 6-lead system. It can detect AFib, Bradycardia, Tachycardia and normal heart rhythm with more accuracy and detail than its competition. In a care clinic ECG readers have 12 leads which are placed across a patient’s chest to pick up heart data. More leads mean a better view of your heart.

To take a measurement rest your thumbs against the two electrodes with KardiaMobile 6L facing you. Then, touch the bottom electrode to the bare skin of your left knee or left ankle. It takes about 30 seconds to complete a reading.


Apple Watch Series 4 & above

Fitbit Versa or Apple Watch Series 3: Which to get?

Much has already been said about the Apple Watch. With each passing year, the device is edging closer to becoming your must-have health guardian. In addition to other hardware and design improvements, anything Series 4 and above comes with fall detection, irregular heart rate alerts, low/high heart rate alerts and more. Then there is, of course, the FDA-approved single-lead ECG sensor.

Readings are on-demand. To take a measurement simply rest your finger against the digital crown while wearing the watch. This creates a closed circuit between the digital crown and the sensor on the back. Built in electrodes will then work to detect electrical impulses from the heart.

It takes just 30 seconds for a pulse waveform to be generated. You’ll get a full report and the app will let you know if your heart rhythm is normal or there are issues. There is also a PDF with all the info so you can forward the info on to your doctor.

The Cupertino outfit states that the ECG monitor will not do a perfect job. But that it is perfectly adequate for most people as it can flag up certain heart conditions.

Initially, the fear was that the system would throw up many false positives and overwhelm doctors with worried Apple Watch owners. Thankfully, this did not happen. 

“The ECG app is intended for over-the-counter (OTC) use. The ECG data displayed by the ECG app is intended for informational use only.” Apple writes.

“The user is not intended to interpret or take clinical action based on the device output without consultation of a qualified healthcare professional. The ECG waveform is meant to supplement rhythm classification for the purposes of discriminating AFib from normal sinus rhythm and not intended to replace traditional methods of diagnosis or treatment.”



WIWE is a clinical-grade ECG monitor. The size of a business card but slightly thicker, it can fit easily into your pocket or bag. You might even manage to slip it into your wallet!

The gizmo goes further than most other such devices on the market in that it offers more detailed analysis of your readings including irregularities in the ventricular department. And it has been proven to do this with 98.7% accuracy. Plus there are also some extras such as SpO2 measurements and the ability to count steps.

But the main benefit of using the device is its accuracy. While smartwatches may offer more convenience, the ergonomic configuration of WIWE is more conducive to obtaining precise ECG readings. Keeping your thumbs or index fingers on electrodes of a device that can be placed on a flat surface or held in both your hands will dish out more reliable results than resting your finger against something sitting on your wrist.

In our review we found WIWE worked exactly as advertised. If you have reason to be concerned about your heart health or already have a diagnosed condition, this little device may end up being a life-saving investment.

You can read our detailed review on this link.


Withings BPM Core

Honored with a CES Innovation Award, Withings Core functions as a BPM, ECG and digital stethoscope. The device is simple to use, convenient and provides a wealth of useful information. But the main novelty is that this is a 3 in 1 product.

Withings Core allows for medically accurate monitoring of hypertension, atrial fibrillation and better management of valvular heart disease. The latter is a condition is characterized by damage to one of the four heart valves and may require surgical intervention.

Readings are presented instantly on the built-in LCD matrix screen and in much more detail in the accompanying smartphone app. The Wi-Fi sync means you don’t need your phone in close vicinity.

Monitoring high blood pressure, atrial fibrillation and valvular heart disease with one product is a game changer. You essentially get a complete heart health checkup in 90 seconds.

A pioneer in this area, the French outfit has taken heart health tracking up a notch once again and given the competition something to aim for. For now BPM Core is only available for purchase in Europe. US availability is expected soon.

You can check out our full hands-on review on this link.


Withings Move ECG

Another Withings product that is currently available in Europe but not in the US is Move ECG. This is the world’s first analog watch capable of recording an electrocardiogram.

Move ECG comes with three electrodes, two of which are hidden inside the main body and the third in the stainless steel bezel. To take a reading, users need to touch and hold both sides of the bezel for around 30 seconds. The info is then synced to the Health Mate app, where they are able to view a detailed graph of heart rate trends and ECG readings.

Other than that, you get a perfectly capable fitness device housed in something that looks like a traditional watch.  In fact, this is one of the most feature packed hybrids out there. The thing tracks steps, calories, pace, distance, workout routines, sleep, heart rate and even steps climbed. You can pick it up in a choice between a black and white watch face, with a variety of wristband colors and materials. 


Samsung Galaxy Watch 4 & Watch 4 Classic

Samsung has recently launched Galaxy Watch 4 and Galaxy Watch 4 Classic. Both have the ability to take ECG measurements. Mind you, this is not the first Samsung watch with such abilities. They were debuted on Galaxy Watch Active 2 a couple of year ago. 

It took Samsung a while to get regulatory approval for its ECG function. It was not a problem obtaining it from South Korean regulatory authorities. But the going got tougher with the US, Europe and other regions’ regulators. The good news is that the company has now secured the necessary regulatory approvals in most countries.

Galaxy Watch 4 can be considered the successor the Galaxy Watch Active 2. The company will probably drop the Active range now. Galaxy Watch 4 Classic is the successor to Galaxy Watch 2.

These are fully fledged devices with a plethora of fitness tracking and smart functions. Probably too many to list in this article. But you can read our detailed specs comparison on this link.

To take an ECG reading you’ll need to place your forearm on a flat surface and rest a fingertip of the other hand on the top button for 30 seconds. The app will then measure both your heart rate and ECG.

In addition to this, the watch is able to measure blood pressure as well. You do, however, need to calibrate it once in a while with a traditional blood pressure monitor.

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Fitbit Sense and Charge 5

Fitbit is one of the most recognized names in the fitness tracker and smartwatch game. The company has been taken over by Google and this transaction went through earlier this year. But at least for now, its business as usual and we are getting new devices on a regular basis.

The most recent addition to Fitbit’s stable of wearables is Charge 5. This is an updated version of its most popular fitness band range. While in some years the updates were incremental, in 2021 we got a sizable refresh.

Charge 5 comes with pretty much everything we’ve come to love about its predecessors. But in addition to this there’s also ECG functionality, an EDA sensor for more detailed stress measurements and a Daily Readiness Score. The last is a single metric that lets you know each morning how prepared you are for the day, i.e. whether you should exercise in the hours ahead or take it easy.

All of these upgrades make Charge 5 a much more serious health and fitness tracker. In fact it is now right on par with Fitbit Sense as far as these types of features. 

So something for everyone there. If you want a fitness band that measures ECG, go for Charge 5. Sense offers this in a smartwatch package. Which has other benefits that come in the form of a larger display and more smart functionality.

You can check out our detailed Sense vs Charge 5 comparison on this link.

Amazon (Charge 5) | Amazon (Sense)*

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