echocardiography: diastolic 1/2 filling fraction period of tricuspid valve at end of inspiration
echocardiography: diastolic 1/2 filling fraction period of tricuspid valve at end of inspiration
echocardiogram tricuspid valve diastolic 1/2 filling fraction period end inspiration
echocardiogram tricuspid valve diastolic 1/2 filling fraction period end inspiration