An electrocardiogram (ECG) provides information about ________.
A) the pressure of blood in the heart chambers
B) the rhythm of heart contractions
C) the amount of oxygen in the blood as it leaves the heart
D) the speed of blood flow through the blood vessels

Question

Quizplus · Accepted Answer

An electrocardiogram (ECG) is a test that measures the electrical activity of the heart to show whether or not it is working normally. It provides information about the rhythm of heart contractions, indicating how fast the heart is beating and whether its rhythm is steady or irregular.

An Electrocardiogram (ECG) Provides Information About ________