Abdominal Doppler questions with complete solutions

What is abdominal doppler used to check? CORRECT ANSWERS: Renal arteries, portal venous system, mesenteric arteries, abdominal aorta for aneurysm/stenosis Hypertension affects how many patients in the USA? CORRECT ANSWERS: 20 million What does the direct method of renal doppler interrogate? CORRECT ANSWERS: Interrogates entire renal artery, bilaterally What does the indirect method of renal doppler use? CORRECT ANSWERS: Uses segmental renal arteries only Why do we perform renal doppler exams? CORRECT ANSWERS: Identify vascular etiology of HTN, Prevent renal failure due to permanent paraenchymal changes, evaluate renal transplants What are causes of renovascular HTN? CORRECT ANSWERS: Atherosclerosis(Prox. RA), Fibromuscular Dysplasia(Distal RA), Dissection(Extension of Ao dissection) What are the arteries of renal vasculature? CORRECT ANSWERS: Main renal artery, segmental renal artery, interlobar arteries, arcuate artery, interlobar artery Thinning of the renal cortex indicates what? CORRECT ANSWERS: Renal disease Blood with waste products enter the kidney by what means? CORRECT ANSWERS: Renal Artery Clean blood leaves the kidney by what means? CORRECT ANSWERS: Renal Vein When doing a renal doppler in a transverse scan, what technique is used? CORRECT ANSWERS: scanning from superior to inferior pole When doing a renal doppler in a longitudinal scan, what technique is used? CORRECT ANSWERS: Sweep through kidney When performing renal doppler, what do you look for and what is measured? CORRECT ANSWERS: Look for abnormalities, measure length bilaterally How does a patient prepare for a renal doppler exam? CORRECT ANSWERS: Overnight fasting, morning exam When performing a renal doppler exam, how should the patient be positioned? CORRECT ANSWERS: Supine with slight head elevation When performing a renal doppler exam, what transducer should be used? CORRECT ANSWERS: 2.5-3.0 MHz