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DVT423- HM3
USIDMS Mesenteric Doppler
| Question | Answer |
|---|---|
| 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. |