antidromic

adjective

an·​ti·​drom·​ic ˌan-ti-ˈdrä-mik 

: proceeding or conducting in a direction opposite to the usual one

—used especially of a nerve impulse or fiber

antidromically

ˌan-ti-ˈdrä-mi-k(ə-)lē 

adverb

Word History

Etymology

anti- + Greek dromos racecourse, running — more at dromedary

First Known Use

1895, in the meaning defined above

Medical Definition

antidromic

adjective

an·​ti·​dro·​mic ˌant-i-ˈdräm-ik  -ˈdrōm- 

1

: proceeding or conducting in a direction opposite to the usual one

—used especially of a nerve impulse or fiber

antidromic action potentials

2

: characterized by antidromic conduction

antidromic tachycardia in which impulses travel from the ventricle to the atrium via the atrioventricular node

antidromically

-i-k(ə-)lē 

adverb