USIDMS Mesenteric Doppler
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| What is a term relating to additional blood vessels that aid or add to circulation? | Collateral flow.
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| T/F The main purpose of a mesenteric Doppler ultrasound is to evaluate the SMA and celiac for chronic ischemia. | True!
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| 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.
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| The SMA has a _____ resistance waveform after eating. | Low Resistance.
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| The celiac artery is usually best imaged in a _____ plane. | Transverse.
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| T/F The normal fasting SMA Doppler waveform is biphasic. | False, Triphasic.
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| This pathology has a sonographic appearance of color separation with both antegrade and retrograde flow. | Dissection
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| Increased color velocity with exhalation and an increase in velocity and decrease with inhalation is a sigh of what? | Celiac arterty compression syndrome.
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| T/F The IMA usually originates from the anterior aorta. | True.
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| The celiac artery bifurcates to form what 2 arteries to make up the "seagull sign?" | Common Hepatic and Splenic Arteries.
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