radarkymography

ra·dar·ky·mog·ra·phy

(rā'dar-kī-mog'ră-fē),
An obsolete procedure involving the video tracking of heart motion by means of image intensification and closed circuit television during fluoroscopy; enabled cardiac motion to be measured by reproducible linear graphic tracing.

radarkymography

[rā′därkīmog′rəfē]
Etymology: radar + Gk, kyma, wave, graphein, to record
a technique for showing the size and outline of the heart that uses a radar tracking device and a fluoroscopic screen to display images produced by electrical impulses passed over the chest surface.