electropathology

noun

(originally) the study of pathological effects induced by electricity
(later also) abnormal electrical activity, especially of the heart, associated with a disease or disorder

Wiktionary

noun

Etymology: Etymology tree French électro-bor. Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Latin electro-bor. English electro- Ancient Greek πάσχω (páskhō)der. Ancient Greek πᾰ́θος (pắthos) Proto-Indo-European *leǵ- Ancient Greek λόγος (lógos) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-i-eh₂ Proto-Hellenic *-íā Ancient Greek -ῐ́ᾱ (-ĭ́ā) Ancient Greek -λογῐ́ᾱ (-logĭ́ā)bor. Latin -logialbor. French -logie French pathologiebor. English pathology English electropathology From electro- + pathology.

diagnosis via observation of the reaction of muscles to electricity