Abdominal Doppler

We use abdominal doppler to asses the ______________________ of vessels CORRECT ANSWERS: We use abdominal doppler to asses the *patency* of vessels We use abdominal doppler to rule out ______________________ _________________ CORRECT ANSWERS: We use abdominal doppler to rule out *arterial stenosis* what are 3 forms of Arterial Stenosis? CORRECT ANSWERS: - Atherosclerosis: narrowing of vessel - Fibromuscular Dysplasia: twisting of blood vessels - Even Compression from a mass could cau...

indications for hepatic Doppler: CORRECT ANSWERS: R/O thrombus TIPS shunt portal hypertension hepatic Doppler imaging protocol: CORRECT ANSWERS: scan liver, gallbladder, CBD, pancreas, spleen obtain spectral waveforms of: hepatic veins portal vein hepatic artery IVC splenic vein normal hepatic vein characteristics: CORRECT ANSWERS: pulsatile flow hepatofugal anechoic abnormal hepatic vein characteristics: CORRECT ANSWERS: monophasic hepatopetal/bidirectional flow intral...

How many patients are affected by hypertension in the United States? CORRECT ANSWERS: 60 million What is usually in the proximal renal artery is the most common etiology? CORRECT ANSWERS: Atherosclerosis What occurs in the mid to distal segments of the renal artery in occurs most frequently in women? CORRECT ANSWERS: Fibromuscular dysplasia FMD The main renal arteries arise from what? CORRECT ANSWERS: Aorta The right renal artery is posterior to what? CORRECT ANSWERS: IVC The...

xiphoid process CORRECT ANSWERS: small cartilaginous process of the lower part of the sternum hepatic CORRECT ANSWERS: pertains to the liver umbilicus CORRECT ANSWERS: belly button A-P CORRECT ANSWERS: anterior and posterior dimension renovascular hypertension CORRECT ANSWERS: high b/p pressure caused by decreased blood flow to kidney flank CORRECT ANSWERS: from the patient's side kidney "poles" CORRECT ANSWERS: the end of the kidney parenchyma CORRECT ANSWERS: th...

XIPHOID PROCESS CORRECT ANSWERS: SMALL CARTILAGENOUS PROCESS OF LOWER PART OF STERNUM HEPATIC CORRECT ANSWERS: PERTAINS TO LIVER UMBILICUS CORRECT ANSWERS: BELLY BUTTON ANTERIOR POSTERIOR DIMENSION CORRECT ANSWERS: WHAT DOES A-P STAND FOR? RENOVASCUALAR HYPERTENSION CORRECT ANSWERS: HIGH BLOOD PRESSURE CAUSED BY DECREASED FLOW TO KIDNEY FLANK CORRECT ANSWERS: FROM THE PATIENTS SIDE PARENCHYMA CORRECT ANSWERS: ESSENTIAL OR FUNCTIONING ELEMENTS OF AN ORGAN PORTA HEPATIS...

Size of the abdominal arteries CORRECT ANSWERS: Aorta: 2-2.5cm Celiac: .7cm SMA: .6cm IMA: .3cm Renal arteries: .4-.5cm Doppler spectrum CORRECT ANSWERS: time-velocity waveform that represents variation in intravascular blood flow velocities during the cardiac cycle In a doppler spectra, what's represented along the horizontal axis vs. vertical axis CORRECT ANSWERS: horizontal - time vertical - frequency shift (velocity) What does the intensity or brightness of the spectral lin...

the portal vein is formed by the confluence of which two veins? CORRECT ANSWERS: splenic, smv the celiac and hepatic arteries should normally exhibit a ____________ waveform pattern. CORRECT ANSWERS: Low resistive what relationship does the RRA have to the IVC? CORRECT ANSWERS: RRA passes posterior to the IVC flow into the liver is called: CORRECT ANSWERS: Hepatopedal what is the first branch off the abdominal aorta? CORRECT ANSWERS: celiac axis what is the threshold for an a...

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 d...

If an aneurysm is present: Longitudinal images - Transverse images - CORRECT ANSWERS: Longitudinal images of each iliac vessel should be taken from the bifurcation to the most distal segment. Transverse images of the iliac arteries should be taken below the bifurcation. Doppler is used to: CORRECT ANSWERS: -Ascertain the presence or absence of flow. -Differentiate vessels from nonvascular structures. -Determine the presence and direction of flow. -Evaluate the shape of the waveform....

color duplex imaging is used to evaluate perfusion in the following organ systems: CORRECT ANSWERS: 1.-Abdominal Aorta for aneurysm / Stenosis 2.-Renal Artery/ vein 3.-mesenteric arteries 4.-Portal Venous system 5.-Hepatic vasculature Focal dilation of an artery involving 3 layers of the arterial wall that exceeds the normal diameter by more than 50%. CORRECT ANSWERS: Aneurysm intimal lining of arteries altered by presence of: ? CORRECT ANSWERS: Atherosclerosis presence of: - l...