title: Paradoxical motion of interventricular septum in absence of shunting.
mesh_terms: D000328:Adult; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006343:Heart Septal Defects; D006346:Heart Septum / Q000503:physiopathology*; D006801:Humans; D008297:Male; D011651:Pulmonary Artery / Q000002:abnormalities