'Rib betrays heart'--a case report.

Penetrating or stab injuries of the chest are not uncommon and could be accidental, suicidal or homicidal. However, the present case discusses the importance of a careful examination of an unusual presentation in a motor vehicle accident. The case presented with haemopericardium and haemothorax due to penetrating rib injury to the heart, subsequent to blunt force trauma on the posterior chest wall. This case is highlighted, so that it becomes a necessary tool for the forensic experts to have an unprejudiced approach at autopsy and come to a reasonable conclusion.