Myocardial rupture pathophysiology

Overview
The most common cause of myocardial rupture is a recent myocardial infarction, with the rupture typically occurring three to five days after infarction. Other causes of rupture include cardiac trauma, endocarditis (infection of the heart), cardiac tumors, infiltrative diseases of the heart, and aortic dissection.

Pathological Findings
Images shown below are courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology