Home Health Tips Medical Features of Apple Watch Series 4 | Doctor Explains Medical Features of Apple Watch Series 4 | Doctor Explains Mark Roy Apr 21, 2019 comments off Tweet on Twitter Share on Facebook Pinterest Learn More Here apple apple watch apple watch doctor Apple Watch Series 4 atrial fibrillation body building breathing calorie counting doctor doctor reviews doctor tech review ECG EKG elderly electrocardiogram emergency services falls detection general practitioner health advice health tips heart murmurs heart rate heart rate monitor heart sounds manpo kei medical features mindfulness palpitations pedometer tech