You searched for: “electrokymography
electrokymography
1. A radiographic technique combining a photoelectric recording system with fluoroscopy.

It is used especially with electrocardiography to study heart motions.

2. The photography on x-ray film of the motions of the heart or of other moving structures which can be visualized radiographically.
3. The technique of recording the motions of a bodily organ with an electrokymograph.