"Starr-Edwards caged ball valve"
"Bjork-Shiley tilting disc valve"
"Avalus (bovine)"
"Freestyle aortic root (porcine)"
"Mosaic (porcine)"
"Avalus ultra (bovine)"
"Carpentier-Edwards stented aortic valve"
"Biocor stentless aortic valve"
"Doppler studies of the descending aorta show holodiastolic flow reversal"
Expected headings
"Echocardiography"
"Complications of prosthetic valves"
"Transoesophageal echocardiography is the modality of choice to assess the status of a prosthetic heart valve; a baseline study is typically performed after placement, and subsequent studies rely on comparison with this baseline to assess for pathology."