To turn off SmartRhythm monitoring do the following:
- Open the watch app
- If SmartRhythm is running, slide to the right to get to the control screen shown below:
- Tap End
- You should now be at the "OFF" screen, which still has the recording button available along the bottom:
With SmartRhythm turned off, you will still be able to record EKGs on the watch at will.
Do note that turning off SmartRhythm turns the ability to create notifications based on the collection of data from Apple watch sensors since that collection will be turned off.