fig3
From: Ventricular septal defect and tricuspid and mitral valve insufficiency caused by penetrating trauma
Figure 3. Drawing of a section of the heart showing the four chambers and postero-inferior walls. The thick arrow simulates the trajectory line of the stab injury to damage the inferior wall of the right ventricle, head of the papillary muscle supporting the posterior leaflet of the tricuspid valve, interventricular septum and chordae tendinae supporting A2 segment of the mitral valve
