A 68-year-old male presents to the ER reporting chest pain.He has a history of stable angina that now appears to be unstable.He most likely has:
A) mild to moderate atherosclerosis.
B) impending myocardial infarction (MI).
C) electrical conduction problems in the heart.
D) decreased myocardial oxygen demand.

Question

Quizplus · Accepted Answer

Unstable angina is often a sign of an impending myocardial infarction due to increased blockage or rupture of atherosclerotic plaques, leading to reduced blood flow to the heart muscle.

A 68-Year-Old Male Presents to the ER Reporting Chest Pain