Study of the murmur produced by acute pulmonary artery constriction.
D001158:Arteries; D002319:Cardiovascular System; D003250:Constriction; D006321:Heart / Q000502:physiology*; D006347:Heart Sounds; D006801:Humans; D011651:Pulmonary Artery / Q000502:physiology*; D011652:Pulmonary Circulation
HEART SOUNDS; HEART/physiology; PULMONARY ARTERY/physiology