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Fig. 10. —Water-hammer spectral appearance on sonography of 83-year-old
man with severe aortic regurgitation. Spectral Doppler sonography tracing from
proximal right common carotid artery shows widened pulse pressure signaled by
sharp systolic peak, precipitous deceleration of flow in late systole, and
sustained reversal of flow through diastole. The spectral waveforms mirror
physical examination finding of water-hammer pulses in patients with severe
aortic regurgitation.
