MINOCA (Myocardial Infarction with Non-Obstructive Coronary Arteries) Definition: MINOCA is defined as an acute myocardial infarction fulfilling the universal MI criteria, with coronary angiography showing no obstructive coronary artery disease (no stenosis ≥50%) and no alternative non-ischemic explanation at the time of angiography. It is a working diagnosis rather than a final one. Epidemiology • Accounts for ~5–10% of all myocardial infarctions • More common in women and younger patients • Prognosis is not benign and carries a significant risk of recurrent events and mortality Diagnostic Criteria (ESC-based) According to the European Society of Cardiology, all of the following must be present: 1. Clinical evidence of acute myocardial infarction – Ischemic symptoms – ECG changes consistent with MI – Rise and/or fall of cardiac troponin 2. Non-obstructive coronary arteries on angiography (<50% stenosis) 3. No overt alternative diagnosis at presentation (e.g. sepsis, pulmonary embol...
Dr. Usman's Cardiology Notes
Cardiology Notes: Clinical Cases including ECG, Echocardiography, Cath, and MOCK Exams to sharpen your cardiology data interpretation skills. Healthcare is stressful!!! Learning cardiology shouldn't be !!!