idioventricular
adjective
id·io·ven·tric·u·lar
| \ ˌid-ē-ə-ven-ˈtrik-yə-lər, -vən-
\
\
Medical Definition of idioventricular
: of, relating to, associated with, or arising in the ventricles of the heart independently of the atria
apparent accelerated idioventricular rhythm occurred in one patient— T. J. Sullivan