What does the new watch series 4 ECG app does besides taking an ECG?
The app is now available in:
You can visit the links below for more information:
https://www.apple.com/healthcare/apple-watch/
https://support.apple.com/en-us/HT208931
The ECG app is not available yet, so there's no specific information. The expectation is that it will identify specific heart related problems, especially irregular heart beat, or atrial fibrillation and possibly others.
Here is the watch guide -Apple Watch User Guide - Apple Support
The OP is not asking what the ECG does. They are asking what the watch does besides ECG.
Sorry, didn't know we had help police. However, the OP states "...what the app does exactly besides the an ECG". Sounds to me like he's talking about the app. Otherwise, sorry to upset you.
I had the same reading you did and liked your answer so I didn't respond. I don't think he is upset and don't take what he said personal. We all misread posts occasionally.
What does the new watch series 4 ECG app does exactly besides taking an ECG
