echocardiography: diastolic mean flow gradient of prosthetic mitral valve at end of inspiration
echocardiography: diastolic mean flow gradient of prosthetic mitral valve at end of inspiration
echocardiography: diastolic mean flow gradient of prosthetic mitral valve at end of inspiration (procedure)
echocardiography: diastolic mean flow gradient of prosthetic mitral valve at end of inspiration (procedure)