Abnormally fast heart rate.
A congenital malformation of the heart in which there is pulmonary stenosis (narrowing of the pulmonary artery) and a large hole between the ventricles.
Formation or presence of a blood clot.
A clot of coagulated blood that forms within a blood vessel or inside the heart, often impeding the flow of blood.
Transient ischaemic attack. A minor stroke which causes stroke-like symptoms but no lasting damage. It is an important predictor of stroke.
The transfer of a healthy heart from a donor to a cardiac patient when the latter’s heart can no longer function sufficiently to keep him alive.
A protein which inhibits the contraction of muscle tissue.