Renal Doppler

Renal Doppler


Indicated in patients with suspected secondary hypertension to rule out renal artery stenosis (RAS).


CAUSES OF RENAL ARTERY STENOSIS


Atherosclerosis—Proximal vessel involvement


Fibromuscular dysplasia (FMD)—Distal vessel involvement; young females


Arteritis, Takayasu’s disease


Aneurysm


Neurofibromatosis


Normal renal arteries arise anterolaterally from the branch of aorta.


Right renal artery arises at 10 o’clock position; passes posterior to IVC.


Left renal artery arises at 4 o’clock position; passes posterior to left renal vein.


B-mode—Comment on kidney size and parenchymal echotexture.


CDUS Scanning—Supine position to trace the origin of renal vessel.

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Nov 6, 2018 | Posted by in ULTRASONOGRAPHY | Comments Off on Renal Doppler
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