Irregular action of the heart, or absence of synchronism in the rate of atria and ventricles. ... Origin: aniso-+ G. Rhythmos, rhythm ... (05 Mar 2000) ... 
Type: Term Pronunciation: an-ī′sō-ridth′mē-ă Definitions: 1. Irregular action of the heart, or absence of synchronism in the rate of atria and ventricles.
anisorrhythmia Irregular action of the heart, or absence of synchronism in the rate of atria and ventricles.