STEMIÂ
STEMI (ST-Elevation Myocardial Infarction) is a critical medical emergency characterized by complete blockage of a coronary artery, leading to extensive, transmural (full-thickness) heart muscle damage. The “ST-elevation” refers to a specific pattern on an electrocardiogram (ECG) where the ST segment is abnormally elevated above the baseline, indicating acute, ongoing myocardial injury. Pathophysiology: The “Widow-Maker” Mechanism A STEMI typically occurs […]
