Case Studies In Small Animal

Cardiovascular Medicine

Home Up .    Radiographs 2D Echo M-Mode Color Flow Doppler Diagnosis

Case 8

doppler.jpg (31336 bytes)

This is a continuous wave Doppler tracing taken with the Doppler beam crossing the flow across the defect at the base of the interventricular septum. It shows low velocity flow (1.66 meters/second) during diastole and higher velocity flow (3.41 meters/second) in systole. Both flows are toward the transducer. The pressure gradients (PG) have been calculated from the peak velocity measurements and are shown on the image (to the left).

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Mark D. Kittleson, D.V.M., Ph.D. All rights reserved.