Angina pectoris is caused by
A) a need for oxygen in the heart that exceeds supply.
B) sustained high blood pressure.
C) a disruption of the electrical system of the heart.
D) the complete blockage of a coronary artery.

Question

Quizplus · Accepted Answer

Angina pectoris is caused by a temporary lack of sufficient blood flow to the heart, resulting in a lack of oxygen to heart muscle cells. This often occurs during physical exertion or emotional stress when the heart needs more oxygen than usual. The symptoms of angina include chest pain, pressure, or discomfort.

Angina Pectoris Is Caused by