Caption: Sagittal image of a vessel at its origin
Description: This is the sagittal image of the origin of the superior mesenteric artery from the aorta. The SMA appears to completely fill with color. There is no abnormal angulation of the vessel origin.
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Caption: Spectral analysis of the SMA at its take-off
Description: The SMA at its origin demonstrates an elevated peak systolic velocity of greater than 200 cm/sec.
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Caption: Spectral waveform of SMA, 1-2 cm from origin
Description: The SMA at a distance of 1-2 cm from the aorta still demonstrates elevated systolic velocities.
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Caption: Spectral waveform of the mid SMA region
Description: Persistently elevated velocities in the mid SMA region reaching up to almost 250 cm/sec are noted.
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Caption: Spectral waveform analysis of the distal SMA
Description: The distal SMA demonstrates a normal arterial waveform with the peak systolic velocity seen returning to baseline.
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