The early systolic sound in dilatation of the pulmonary artery.
D001158:Arteries; D004106:Dilatation; D004194:Disease; D006337:Heart Murmurs; D006347:Heart Sounds; D006801:Humans; D006973:Hypertension; D011651:Pulmonary Artery; D013599:Systole
ARTERIES, PULMONARY/diseases; CARDIAC MURMURS AND SOUNDS; HYPERTENSION