New to WHM. I did 5 rounds averaging over 2 min breath holds, and noticed my ECG on my smartwatch looked way more consistent. Wish I had a heart doctor who could
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Amazon.com: SAMSUNG Galaxy Watch 4 40mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, SM-R860NZKAXAA, Black : Electronics
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ECG For Galaxy Watch Active 2 IS Finally HERE!!! GET BP And ECG For Samsung Galaxy Watch Active 2 - YouTube