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DVT423- HM3

USIDMS Mesenteric Doppler

QuestionAnswer
What is a term relating to additional blood vessels that aid or add to circulation? Collateral flow.
T/F The main purpose of a mesenteric Doppler ultrasound is to evaluate the SMA and celiac for chronic ischemia. True!
T/F It is not essential for the patient to fast before a mesenteric Doppler ultrasound. False. The waveforms change dramatically after eating so the patient should fast for at least 6 hours.
The SMA has a _____ resistance waveform after eating. Low Resistance.
The celiac artery is usually best imaged in a _____ plane. Transverse.
T/F The normal fasting SMA Doppler waveform is biphasic. False, Triphasic.
This pathology has a sonographic appearance of color separation with both antegrade and retrograde flow. Dissection
Increased color velocity with exhalation and an increase in velocity and decrease with inhalation is a sigh of what? Celiac arterty compression syndrome.
T/F The IMA usually originates from the anterior aorta. True.
The celiac artery bifurcates to form what 2 arteries to make up the "seagull sign?" Common Hepatic and Splenic Arteries.
Created by: hnmcroy