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AN AUTOMATED TECHNIQUE FOR THE ANGIOGRAPHIC "SPILLOVER" DETERMINATION OF BLOOD FLOW

JAMES H. ANDERSON PH.D.1, CESARE GIANTURCO M.D.2, and SIDNEY WALLACE M.D.3

1 Assistant Professor of Radiology (Physiology), Department of Diagnostic Radiology.
2 Adjunct Professor of Radiology, The University of Texas Medical School at Houston.
3 Professor and Assistant Chief, Department of Diagnostic Radiology.

An automated method of increasing the rate of contrast medium injection during angiographic "spillover" blood flow measurement studies is presented.

The technique described is readily adaptable to the angiographic examination and allows for automatic recording on the angiographic film of the increasing rate of contrast medium injection.

The method was tested to measure both water flow rates and blood flow in vivo in dogs.

The results indicate that the blood flow measurements are sufficiently accurate for use in most clinical situations where an altered blood flow is suspected.


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