Abstract
Transcutaneous jugular venous blood velocity was measured with a Doppler flow velocity probe in eight patients with sinus rhythm and angiographically demonstrable tricuspid insufficiency. Peak systolic / diastolic jugular blood velocity was less than 1 in all eight patients (&-x ± 1 standard deviation=0.63 ± 0.20). In 23 of 25 patients without tricuspid incompetence the systolic/diastolic jugular venous blood velocity was greater than 1 (2.74 ± 1.57, <i>P</i> < 0.001). In 12 patients with atrial fibrillation, peak systolic/diastolic jugular blood velocity values demonstrated a similar degree of specificity for the diagnosis of tricuspid incompetence. It is concluded that Doppler jugular venous blood velocity measurement is a useful noninvasive technique for the diagnosis of tricuspid insufficiency in subjects with sinus rhythm and atrial fibrillation.
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