echocardiography: diastolic 1/3 filling fraction period of tricuspid valve at rest
echocardiography: diastolic 1/3 filling fraction period of tricuspid valve at rest
echocardiography: diastolic 1/3 filling fraction period of tricuspid valve at rest (procedure)
echocardiography: diastolic 1/3 filling fraction period of tricuspid valve at rest (procedure)