L Peterson-Kennedy

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This study was designed to quantitate variations in duplex ultrasound arterial flow velocities (cm/sec) in the common carotid artery and the superior mesenteric artery that were produced by changes in the angle of pulsed Doppler insonation. Duplex scanning was used to measure peak systolic flow velocity and mean velocity at angles from 30 degrees to 80(More)
Duplex scanning is an inexpensive, noninvasive method of following renal transplant function. It can accurately define degrees of renal artery stenosis, and it can identify perirenal and perivascular fluid collections. Duplex scanning can provide less-specific information regarding changes in intrarenal vascular impedance that can assist in the diagnosis of(More)
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