An **IWMI ECG** refers to an electrocardiogram (ECG) indicating an **Inferior Wall Myocardial Infarction**, a type of heart attack affecting the heart's inferior (bottom) wall, typically supplied by the right coronary artery. On ECG, IWMI is characterized by **ST-segment elevation in leads II, III, and aVF**, often with reciprocal ST depression in leads I and aVL. Associated findings may include bradycardia or heart block due to involvement of the atrioventricular (AV) node. Right ventricular infarction may also occur, requiring additional right-sided leads (e.g., V4R). Prompt recognition and treatment are critical to prevent complications like arrhythmias or heart failure.