User:murraytqnf596890

A resting electrocardiogram (ECG) provides/reveals/offers a window/glimpse/snapshot into the heart's electrical/intrinsic/natural activity when at equilibrium/rest/quiescence. This noninvasive

https://aliciavlbx683758.theideasblog.com/36098940/resting-electrocardiogram-discovering-normal-heart-function