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Radiology, Vol 150, 260-262, Copyright © 1984 by Radiological Society of North America

ARTICLES

Rotational kymography. Technique for automated analysis of cine left ventriculograms

AH Cragg, G Lund, E Salomonowitz, WR Castaneda-Zuniga and K Amplatz

A new device provides an automatic photographic record of left ventricular contraction and expansion. A radially slotted disk is interposed between the moving cine left ventriculogram and a disk of photographic film. By rotating either the slotted disk or the film, a kymographic record of regional wall motion is obtained. Unlike more complex computer programs, the speed as well as the magnitude of contraction can be determined.




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