Ischemic Heart Disease: PathophysiologyCardiac Ischemia: Cardiac ischemia occurs when coronary blood flow doesn't keep up with the metabolic needs of the heart; ultimately, mechanical and/or electrical functions are impaired. Ischemia can be caused by: Extravascular events, such as increased intramyocardial pressure or reduced diastolic filling time Coronary vascular dysfunctionAcute coronary syndrome is an umbrella term for events that occur as the result of sudden cardiac ischemia…