showing six rhythm strips simultaneously (leads I, II, III, aVR, aVL and aVF). We excluded the dog from surgery due to its abnormal ECG and the increased risk of potentially lethal arrhythmias ...

If you're scheduled to have an electrocardiogram ... known as "normal sinus rhythm:" Your heart is functioning normally with ...

and holding as instructed on the watch for an ECG to be taken. Again, this can be exported via a PDF. The PPG sensor also continuously scans for abnormal rhythms, including high and low heart rates.