echocardiography: diastolic regurgitant half time of prosthetic aortic valve at rest
echocardiography: diastolic regurgitant half time of prosthetic aortic valve at rest
echocardiography: diastolic regurgitant half time of prosthetic aortic valve at rest (procedure)
echocardiography: diastolic regurgitant half time of prosthetic aortic valve at rest (procedure)