Nurs 375: ACS

acute coronary syndrome

A term used to describe a group of symptoms caused by myocardial ischemia; includes unstable angina and myocardial infarction.

Acute Coronary Syndrome causes

decline of a once stable atherosclerotic plaque that ruptures, causes platelet aggregation, and thrombus. Results in partial occlusion or total occlusion of coronary artery


stationary blood clot


non-ST segment elevation myocardial infarction


ST elevation myocardial infarction

total occlusion of coronary artery


partial occlusion of coronary artery

Unstable angina or NSTEMI

Myocardial Infarction

from sustained ischemia (>20 minutes) that causes irreversible myocardial necrosis.p

off pump coronary artery bypass

procedure uses full or partial sternotomy to enable access to all coronary vessels.

saphenous vein