Chapter 20, Problem 1TYC

Summary Introduction

Case summary:

Mr. J dies of a massive myocardial infarction which is triggered by coronary thrombosis. After an autopsy, necrotic myocardium is found in the lateral and posterior right ventricle and posterior interventricular septum.

Adequate information:

The muscular wall of the heart is known as myocardium. It helps in contraction and relaxation of the heart muscle the contraction of muscles results in pumping the blood out of the heart, whereas relaxation of muscle results in a refill of the chamber of the heart. The myocardium is composed of two membranes epicardium (outer membrane) and endocardium (inner membrane).

To determine:

The place of occurrence of thrombosis in the coronary circulation.

Given Information:

The person dies of myocardial infarction. After an autopsy, the reason for myocardial infarction is found as necrotic myocardium. It blocks the lateral and posterior right ventricle and posterior interventricular septum.