User:sashapcjd641155

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://tomasnqzy676450.liberty-blog.com/35730858/electrocardiogram-at-rest-unveiling-baseline-cardiac-activity