| electrokymograph | An obsolete apparatus for recording, from changes in the X-ray silhouette, the movements of the heart and great vessels; consists of a fluoroscope, X-ray tube, and a photomultiplier tube together with an electrocardiograph. (05 Mar 2000) |
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| electrokymography | Radiographic technique combining a photoelectric recording system with fluoroscopy. It is used especially with electrocardiography to study heart motion. (12 Dec 1998) |