Tardus-Parvus Doppler Waveform in the Bilateral Renal Arteries-A Sign of Coarctation of Aorta: A Case Report

The tardus-parvus Doppler waveform has been documented as a good indicator of renal artery stenosis. If bilateral tardus-parvus patterns accompanied with dampening aortic waveform are found, proximal aortic stenosis should be strongly suspected.