Apple Watch stand alone ECG

Shadow Jolteon

macrumors regular
Feb 1, 2018
165
97
Yes, if you're away from your iPhone with your Apple Watch, you should be able to use the ECG application, as long as you've already completed the initial setup with Health on your phone first.
 
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PN4

macrumors regular
Feb 24, 2011
118
60
CHS
Has anyone tried this yet?
I'm not sure if you mean with the LTE Apple Watch or just the GPS version - but I don't think it matters.

I did this. I turned off my iPhone and made sure my Apple Watch S4 GPS version was not connected to WiFi. I successfully ran an ECG. I turned my iPhone back on and was notified of this new reading.
 

MacintoshDan

macrumors 6502
Sep 24, 2013
331
131
Yes it works on LTE watch, but you will get a message before you start saying that the watch will not get calls or messages during the ECG. The watch has to shut down the cellular radio to do the ECG, it must affect the readings.
 
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