The relief of acute right ventricular strain by the production of an interatrial septal defect.
D018376:Cardiovascular Abnormalities; D002319:Cardiovascular System; D006344:Heart Septal Defects, Atrial; D006801:Humans; D011666:Pulmonary Valve Stenosis
CARDIOVASCULAR DEFECTS, CONGENITAL; PULMONARY STENOSIS