An electrocardiogram (EKG) is an examination method in which the electrical impulses of the heart are measured. In this way it can be assessed whether the heart of the person examined is functioning properly. Some current sports watches also have an EKG function, in which the electrocardiogram is recorded directly on the wrist. What can smartwatches with EKG do and what models are there? I'll give you an overview.
Current smartwatches are real healthGadgets, which collect a whole bunch of vital data and make them available to the user for analysis. Heart rate measurement on the wrist is probably one of the most important innovations in sports watches and smartwatches, as it forms the basis for calculating calorie consumption, for example. And of course it also enables the wearer of a smartwatch to find out about their current heart rate. Smartwatches with ECG go one step further.
especially the Apple Watch with EKG enables the user to create a single-channel EKG on the watch himself. It can detect dangerous atrial fibrillation of the heart and there are increasing reports of users who have been warned by the smartwatch - and whose lives have supposedly been saved thanks to the smartwatch ECG.
Apple Watch ECG does not replace going to the doctor
Of course, the electrocardiogram on the watch does not replace a visit to the doctor and there is no guarantee that the ECG function will always work smoothly. You have to emphasize that again and again - and that too Apple Watch advises you to consult a doctor if you have any symptoms. If you have symptoms such as chest pains, you should not waste time with the smartwatch, but call the emergency number 112 directly.
Still, you can see the possible warnings on the Clock face of Apple Watch as an additional backup that obviously made a vital difference just in case. In the meantime, many providers have followed suit - Samsung also offers an EKG function in the Galaxy Watch 3 and Withings also enables the wearer to take an electrocardiogram while wearing the watch. And the EKG function seems to be doing the job.
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Is the EKG the Apple Watch reliable?
Many manufacturers of smartwatches are just starting to use the ECG function. There is still little experience with the corresponding wearables. Most experiences are there for Apple Watch with ECG, as the function has been available since the end of 2018. The German Heart Foundation writes about the EKG function of the Apple Watch:
First of all, I would like to tell you that the watch can be used to create an electrocardiogram that is simple but can detect cardiac arrhythmias such as atrial fibrillation. To do this, simply touch the sensor on the side of the smartwatch with any finger of the other hand and start recording. I can confirm that this basically works - I've tried it myself. [...]
According to a message from the German Society for Cardiology, preliminary examinations showed that there is actually a 95 percent agreement between the atrial fibrillation detected by the smartwatch and the clinically documented atrial fibrillation.
Prof. Dr. medical Thomas Meinertz, German Heart Foundation
How does the smartwatch ECG work?
Up to now, smartwatches with an EKG have usually recorded a 1-channel EKG, which in itself is very remarkable. In case of Apple Watch put your finger on the second hand Digital crown the smartwatch. The recording of the electrocardiogram is then started. The smartwatch detects the electrical impulses of the heart and records them.
The ECG app Apple Watch checks whether the heart chambers (atria) and the lower chambers (ventricles) beat evenly. The aim is to warn of irregularities and, if possible, to make the data available to a doctor.
Current smartwatches with ECG function
- Apple Watch Series 4 - Series 8
- Samsung Galaxy Watch 3-5
- Withings Move ECG
- Amazfit Smart Watch 2 ECG
- Huawei Watch GT 2
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How does the EKG work on the Apple Watch?
The Apple Watch Series 4 and later can produce a 1-lead ECG. In the Apple Watch put your finger on the second hand Digital crown the smartwatch. The recording of the electrocardiogram is then started. The smartwatch detects the heart's electrical impulses and records them. The EKG app from Apple Watch checks whether the heart chambers (atria) and the lower chambers (ventricles) beat evenly. The aim is to warn of irregularities and, if possible, to make the data available to a doctor.
How good is Apple Watch ECG?
Studies have shown that Apple Watch EKG is amazingly precise. This is a 1-lead EKG that can only predict atrial fibrillation. Studies have shown that Apple Watch EKG can predict atrial fibrillation with up to 95 percent agreement. The EKG of the Apple Watch cannot indicate heart attacks and does not replace a visit to the doctor. In the event of acute symptoms such as chest pain, call 112 immediately and do not first use the smartwatch.
How can I go with Apple Watch Measure blood pressure?
Until finally Apple Watch Series 5, the smartwatch cannot measure blood pressure by itself. Alternatively, however, you can connect appropriate blood pressure monitors with Bluetooth to the iPhone and save your blood pressure readings in the Health app.
What Apple Watch can EKG?
The Apple Watch series 4, Apple Watch Series 5 and later can take an EKG. This is a 1-channel EKG.
How exactly does it measure Apple Watch?
The Apple Watch Series 5 was voted the test winner by Stiftung Warentest in the 12/2019 test with a grade of 1,8 by a large margin compared to the second-placed smartwatch because it was convincing in terms of handling, stability, fitness functions and data protection. It also delivered the most precise measurement data in the test. The Apple Watch so measures pretty accurately.
Which watch can EKG?
- Apple Watch series 4, Apple Watch series 5, Apple Watch Series 6
- Samsung Galaxy Watch 3
- Withings Move ECG
- Amazfit Smartwatch 2 ECG
- Huawei Watch GT 2
can Apple Watch Recognize a heart attack?
no, the Apple Watch officially cannot detect heart attacks. The Apple Watch can officially only detect atrial fibrillation and no heart attacks or other heart diseases with its 1-channel ECG. However, there are testimonials from doctors and patients according to which the Apple Watch has warned of serious heart conditions such as coronary ischemia and impending heart attacks. However, they are not officially confirmed. In case of complaints, do not rely on the smartwatch, but call the emergency number 112 directly or see a doctor.
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