The pulmonary valve cusps are thickened and fused to produce a cone shaped structure pointing
into the pulmonary artery. The other valves are normal. The right ventricle is grossly thickened
and measured 1.5cm in thickness at the base. The inter-atrial septum shows a very smooth edge
suggesting that this is the lower part of an inter-atrial defect, an anomaly commonly associated with
This woman was known to have a "leaky valve". She died suddenly while climbing stairs
and in fact death was due to thrombotic occlusion of the right coronary artery. At autopsy chronic
venous congestion of the liver and spleen was noted.