valvuloplasty		tumor of lymphatic vessels
pericardium		surgical excision of blood clot
lymphangioma		dilation of a vessel caused by weakness
myocardium		agent to prevent or delay blood clots
arrhythmia		acute infection caused by Epstein-Barr virus
ischemia		bursting forth of blood
anticoagulant		muscular layer of heart
hemorrhage		higher than normal blood pressure
mononucleosis		layer lining heart and heart valves
septum		accumulation of fatty substances in walls of arteries
cardiac		Fibrous sac enclosing heart
cardiomegaly		irregular, random contraction of heart fibers
thrombectomy		plastic or restorative surgery on a valve
deoxygenated		enlarged heart
angioplasty		irregularity or loss of rhythm of heartbeat
arterioles		wall or partition dividing body space or cavity
fibrillation		decreased blood flow to a body part
thymoma		brain damage from interruption of blood supply
splenomegaly		endovascular procedure reopening narrowed blood vessels
cerebral		pertaining to the heart
stroke		pertaining to the cerebrum
atherosclerosis		low oxygen content
endocardium		enlargement of the spleen
hypertension		small arteries
aneurysm		tumor of thymus gland