![]() They include the time and the location where you measure the pulse rate. However, the developers of the app have put a disclaimer (and rightly so) that the app is not a replacement for a medical equipment even though it is accurate to a certain degree.Īll the heartbeat measurements can be saved to the local storage. This resembles to what you might get through an Eletro Cardio Graph (ECG). A heart beat graph is displayed on the screen of your smartphone. It will turn on the LED flash and start measuring the change of color in the blood stream which indicates the heart beat. I placed my first finger (also called forefinger) on the 16 megapixel lens. For example, my Android phone has two lenses in the rear camera – 16 megapixel and 8 megapixel. ![]() If your smartphone comes with a camera having multiple lens, then you should put the finger over the lens that has the largest megapixels. When you have given all the permissions, you can put your forefinger over the camera lens and then tap on the Start button in the Cardiograph app. It needs the device location so that can save the location along with the heart beat rate records. ![]() The second permission it needs is for fetching the device location. When it gets permission for using the camera, it also gets the permission for the LED flash. It needs the camera to measure the pulses of blood flow in the fingers. The first permission is to access and use the device camera. The Cardiograph app requires some permissions before we can use it. The only thing you need is an Android smartphone with a back camera that comes with an LED flash. There is no special instrument needed for the Cardiograph app to work. It uses the built-in smartphone camera for measurement of the heart beat rate. Cardiograph is an Android app that can be used to measure the heart beat rate for any human being.
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