Is An Anterior Infarct Serious Jun 2026

No—severity depends on:

| Complication | Why it’s worse in anterior MI | |--------------|-------------------------------| | | Extensive LV dysfunction reduces stroke volume and blood pressure. Without rapid revascularization, mortality exceeds 50%. | | Ventricular tachycardia/fibrillation | Large areas of ischemic and necrotic tissue create re-entry circuits. Often occurs within the first 6–12 hours. | | LV thrombus | Apical akinesis or dyskinesis causes blood stasis. Thrombus can embolize to brain (stroke), kidneys, or limbs. Occurs in ~15–30% of large anterior MIs. | | Ventricular septal rupture | Necrosis of the septum can create a hole between ventricles → sudden hemodynamic collapse. More common after anterior septal infarcts. | | LV free wall rupture | Necrotic anterior wall thins and can burst, causing hemopericardium and tamponade. Often fatal within minutes. | | Mitral regurgitation | Rupture or dysfunction of anterolateral papillary muscle (supplied by LAD branches) → acute severe MR → pulmonary edema. | is an anterior infarct serious

Because the left ventricle is the systemic pump, losing a large percentage of its muscle mass immediately threatens cardiac output. No—severity depends on: | Complication | Why it’s