A nurse understands that the basic premise of an ECG is that it shows
A) altered electrical activity from pathologic changes.
B) damage to the valves inside the heart.
C) the status of the client's coronary arteries.
D) the approximate time since a myocardial infarction occurred.

Question

Quizplus · Accepted Answer

The ECG provides multidirectional examination of electrical events in the heart. Myocardial infarction causes tissue damage/death, which alters the electrical activity in predictable patterns. This altered electrical activity shows up on the ECG as abnormalities that help diagnose the occurrence and location of an infarction.

A Nurse Understands That the Basic Premise of an ECG