Understanding Electrocardiogram (ECG) Testing
Electrocardiogram Testing Overview – Jiyuan City Maternal and Child Health Hospital ECG Room – The heart, during each cardiac cycle, is excited sequentially by the pacemaker, atria, and ventricles, accompanied by changes in bioelectricity, which are recorded by an electrocardiogram (ECG) machine to produce various forms of potential change graphs. The ECG is an objective … Read more
