<unk><unk>  occurs when myocardial oxygen demand exceeds myocardial oxygen supply at rest or with minimal exertion. This supply/demand mismatch can be caused by conditions that increase oxygen demand or reduce oxygen supply.
Unstable angina pathophysiology
Stress cardiomyopathy pathophysiology
AVNRT pathophysiology
Spontaneous coronary artery dissection pathophysiology
Papillary muscle rupture pathophysiology
Sinoatrial arrest pathophysiology
Diastolic dysfunction epidemiology and demographics
Pacemaker syndrome pathophysiology