When I have written about acute coronary syndrome (ACS) in the past, I have referred to an article published by the American Heart Association and the American College of Cardiology titled, “Guidelines for Diagnosis and Management of Unstable Angina/Non-ST-Elevation Myocardial Infarction (NSTEMI).” The major issue I raised was that unstable angina or NSTEMI can occur from two basic causes:
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