Which Smartwatches Have ECG?

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Welcome to our comprehensive guide on smartwatches with ECG functionality. In today’s ever-evolving world of technology, our smartphones are not the only devices to help us stay connected and monitor our health. Smartwatches have become increasingly popular, offering a wide range of features, including the ability to measure our heart’s electrical activity through ECG (Electrocardiogram) technology.

ECG is a valuable tool for monitoring heart health and detecting potential heart abnormalities. With the ability to track heart rate, rhythm, and identify irregularities, smartwatches with ECG can provide valuable insights into your cardiovascular well-being. In this article, we will explore some of the leading smartwatches that boast ECG functionality, allowing you to make an informed decision when choosing a device to prioritize your health.

Inside This Article

  1. Overview of ECG in Smartwatches
  2. Smartwatches with ECG Capability
  3. Factors to Consider when Choosing a Smartwatch with ECG Capability
  4. Conclusion
  5. FAQs

Overview of ECG in Smartwatches

ECG (Electrocardiogram) is a diagnostic tool used to measure the electrical activity of the heart. Traditionally, ECGs have been performed in medical settings using specialized equipment. However, with the advancements in technology, some smartwatches now offer ECG capability, allowing users to monitor their heart health conveniently on their wrists.

The ECG feature in smartwatches works by using built-in sensors to detect the electrical signals generated by the heart. These sensors measure the voltage and duration of each electrical impulse and analyze the data to provide a comprehensive view of the heart’s health. By analyzing the ECG waveform, smartwatches can detect various cardiac conditions such as atrial fibrillation (AFib) or abnormal heart rhythms.

It’s important to note that while smartwatches with ECG capability can provide valuable insights into your heart health, they are not intended to replace professional medical advice or diagnosis. Instead, they serve as a supplementary tool for monitoring and detecting potential issues.

Many smartwatches with ECG capability also come with additional features such as heart rate monitoring, sleep tracking, and activity tracking. This holistic approach allows users to gather a comprehensive view of their overall health and make informed decisions about their well-being.

ECG data recorded by smartwatches can be easily accessed through accompanying mobile apps or synced with compatible healthcare platforms. This seamless integration enables users to share their ECG readings with their healthcare providers for further analysis and interpretation.

Before using the ECG feature on a smartwatch, it is essential to familiarize yourself with the device’s instructions and limitations. Understanding the proper usage and interpretation of ECG readings will ensure accurate results and help you make informed decisions about your heart health.

Overall, smartwatches with ECG capability offer a convenient and accessible way to monitor and track your heart health on a daily basis. While they cannot replace professional medical advice, they provide valuable insights and early detection of potential cardiac issues, empowering users to take proactive steps towards a healthier lifestyle.

Smartwatches with ECG Capability

With advancements in technology, smartwatches have become much more than just devices that tell time. Many modern smartwatches come with an array of health and fitness features, including the ability to perform electrocardiograms (ECGs). This feature allows users to monitor their heart health conveniently from their wrist. Here are some popular smartwatches that offer ECG capability:

1. Apple Watch Series 6: The Apple Watch Series 6 is equipped with an ECG app that can detect abnormal heart rhythms, such as atrial fibrillation. It also has a Blood Oxygen app that measures oxygen saturation levels in the blood. The watch’s sensors work together to provide a comprehensive overview of heart health.

2. Samsung Galaxy Watch 3: The Samsung Galaxy Watch 3 is another top contender in the smartwatch market, offering ECG functionality. It utilizes an advanced sensor technology to measure electrical activity in the heart and provide accurate ECG readings. Users can track their heart rate and receive alerts in case of irregularities.

3. Fitbit Sense: Fitbit Sense is a feature-rich smartwatch that boasts an ECG app, allowing users to monitor heart rhythm and detect signs of atrial fibrillation. It also offers stress management tools, temperature tracking, and sleep monitoring, making it a comprehensive health-focused device.

4. Garmin Venu 2: The Garmin Venu 2 is a versatile smartwatch that combines fitness tracking with advanced health monitoring features. It includes an ECG app that gives users insights into their heart health. With its long battery life and extensive fitness tracking options, it is a popular choice among fitness enthusiasts.

5. Withings ScanWatch: The Withings ScanWatch is designed specifically for heart health monitoring. It features an ECG sensor that can detect irregular heart rhythms. Additionally, it offers advanced activity tracking, sleep monitoring, and SpO2 measurement, making it a well-rounded device for health-conscious individuals.

Remember, while these smartwatches provide ECG capability, they are not medical devices and should not replace professional medical advice. It is important to consult with a healthcare professional if you have any concerns about your heart health.

Factors to Consider when Choosing a Smartwatch with ECG Capability

Choosing a smartwatch with ECG capability can be a daunting task, especially with the wide range of options available on the market. To make an informed decision, it is essential to consider several factors that can greatly impact your overall experience. From accuracy and compatibility to battery life and design, here are the key factors to keep in mind when selecting a smartwatch with ECG capability.

1. Accuracy: The accuracy of ECG readings is of utmost importance when selecting a smartwatch. Look for models that have been clinically validated to ensure accurate readings. Additionally, consider the type of ECG technology used in the smartwatch, as some models may offer more advanced features and higher accuracy than others.

2. Compatibility: Check the compatibility of the smartwatch with your smartphone’s operating system. Ensure that the smartwatch is compatible with your iOS or Android device to seamlessly sync and access ECG data. It’s also important to verify if the smartwatch supports the specific ECG app/software required for monitoring and analyzing your heart health.

3. Battery Life: Consider the battery life of the smartwatch, especially when using ECG functionality. ECG monitoring can consume a significant amount of battery power, so choose a smartwatch with long-lasting battery performance. Look for models that offer at least a day’s worth of usage on a single charge.

4. Design and Comfort: Since a smartwatch is something you may wear all day, it’s important to choose a design that suits your personal preferences and fits comfortably on your wrist. Consider factors such as the watch’s size, weight, strap material, and overall aesthetics. Opting for a smartwatch with a customizable or interchangeable strap can also be a great way to personalize your device.

5. Additional Features: While ECG functionality is key, it’s worth considering other features that the smartwatch offers. Look for features like heart rate monitoring, sleep tracking, activity tracking, notifications, and waterproof capabilities. These additional features can enhance the overall value and utility of your smartwatch.

6. User Interface: A user-friendly interface is essential for a seamless experience. Consider the ease of navigation, responsiveness of the touchscreen, and clarity of the display. Ensure that the smartwatch offers intuitive controls and easily accessible ECG readings and insights.

7. Price and Value: Set a budget for your smartwatch purchase and compare the prices of different models. Assess the value each smartwatch provides in terms of ECG functionality, overall features, build quality, and brand reputation. Remember, the most expensive option may not necessarily be the best fit for your needs.

Taking these factors into consideration will help you make an informed decision when choosing a smartwatch with ECG capability. By selecting a model that aligns with your preferences and requirements, you can enjoy accurate and convenient ECG monitoring on your wrist, promoting overall heart health and well-being.


In conclusion, having the ability to perform an electrocardiogram (ECG) on a smartwatch is a valuable feature that can provide users with important insights into their heart health. While not all smartwatches currently offer this functionality, there are several options available on the market that do include ECG capabilities.

Popular smartwatch brands like Apple, Samsung, and Garmin have released models that feature ECG technology, allowing users to monitor their heart rhythm and detect any irregularities. These smartwatches use advanced sensors and algorithms to capture accurate ECG data, providing users with peace of mind and potentially helping them identify potential heart conditions.

With the increasing demand for health monitoring and wearable technology, it is likely that more smartwatches will incorporate ECG functionality in the future. This will enable users to conveniently monitor their heart health on a daily basis, empowering them to take proactive steps towards maintaining a healthy lifestyle.

Ultimately, if you are looking for a smartwatch with ECG capabilities, these brands offer reliable options to consider. However, it is essential to consult with a healthcare professional for a comprehensive evaluation of your heart health, as smartwatch ECG readings should not replace medical advice or diagnosis.


Q: Which smartwatches have ECG functionality?
A: Many smartwatches on the market now include ECG functionality. Some popular options include the Apple Watch Series 6, Samsung Galaxy Watch 4, Fitbit Sense, and Garmin Venu 2.

Q: What is ECG and why is it important in a smartwatch?
A: ECG stands for electrocardiogram, which is a test that measures the electrical activity of the heart. Having ECG functionality in a smartwatch allows users to monitor their heart health, detect irregularities, and potentially identify serious heart conditions like atrial fibrillation.

Q: How does ECG work in a smartwatch?
A: ECG in a smartwatch utilizes sensors that measure the electrical signals produced by the heart. Users can activate the ECG feature on their smartwatch, place their finger on the designated spot or touch the electrodes, and the watch will record the electrical activity to provide a detailed ECG report.

Q: Are ECG readings from a smartwatch accurate?
A: While smartwatch ECG readings can provide valuable insights, it’s important to remember that they are not intended to replace professional medical advice. The accuracy of ECG readings may vary depending on various factors, including the quality of the sensors and the user’s technique in using the feature.

Q: Can a smartwatch with ECG help in diagnosing heart conditions?
A: Smartwatches with ECG can help detect irregular heart rhythms and potentially identify conditions like atrial fibrillation. However, it is essential to consult with a healthcare professional for accurate diagnosis and further evaluation. ECG readings from a smartwatch are not meant to replace medical examinations or professional opinions.