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Journal of Ultrasound in Medicine, Vol 12, Issue 12 701-703, Copyright © 1993 by American Institute of Ultrasound in Medicine
Variability of hepatic vein Doppler tracings in normal subjects
R. S. Shapiro, F. Winsberg, C. Maldjian and A. Stancato-Pasik
A prospective study was undertaken to determine the variability of hepatic vein Doppler waveforms in normal subjects. Seventy-five patients without liver or heart disease underwent Doppler examination of the middle hepatic vein. Normal triphasic tracings were observed in 68 subjects, while flattened tracings were observed in seven subjects. In addition, in four of the seven subjects with flattened tracings, an increase in pulsatility was seen during prolonged inspiration. We conclude that there is variability of hepatic vein tracings in normal subjects and that respiratory maneuvers can alter these tracings. This article has been cited by other articles:
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