Circulation, Vol 57, 930-939, Copyright © 1978 by American Heart Association
V Sivaciyan and N Ranganathan
Transcutaneous bidirectional Doppler jugular venous flow velocity patterns
were classified and correlated in 82 patients with right heart
hemodynamics. The normal forward flow pattern was biphasic with systolic
flow (Sf) greater than the diastolic flow (Df). With rare exceptions, flow
patterns of Sf = Df, Sf is less than Df and Df alone indicated abnormal
right heart hemodynamics. Abnormal flow patterns (Sf = Df and Sf is less
than Df) seen in post cardiac surgery states, and in some rare patients
with severe mitral regurgitation despite normal right-sided pressures, were
probably secondary to postoperative change in right atrial compliance in
the former and to a Bernheim effect in the latter. The most common cause of
retrograde systolic flow in the absence of atrioventricular dissociation
was tricuspid regurgitation. Persistent retrograde end-diastolic flow with
normal forward flow was associated with high right atrial "a" wave
pressures, indicating significant decrease in right ventricular compliance
with a vigorous atrial contraction. The study clearly established that the
jugular venous flow velocity pattern truly reflected derangements in the
right heart hemodynamics, irrespective of the underlying etiology. The
applicability to bedside evaluation of the jugular venous pulse and the
right heart hemodynamics is emphasized.
ARTICLES
Transcutaneous doppler jugular venous flow velocity recording
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