title: Echographic premature pulmonic valve opening: sign of reduced right ventricular distensibility.
mesh_terms: D000293:Adolescent; D000328:Adult; D001794:Blood Pressure; D004452:Echocardiography / Q000379:methods*; D005260:Female; D006321:Heart / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011664:Pulmonary Valve / Q000503:physiopathology*