bradycardia

(brad-ik-ar’de-ah) (Gr. Bpadts slow + xapéia heart]. Abnormal slowne of the heartbeat. cardio muscular b., bradycardia caused by disease of the muscle of the heart. central b., bradycardia dependent on disease of the central nervous system. e ential b., bradycardia that cannot be accounted for by the symptoms nor explained by any postmortem observations, and for which there is at present no known remedy. nodal b., bradycardia in which the venous tracings show no wave due to the contraction of the auricle and in which the stimulus of the heart’s contraction arises in the auriculoventricular node. stinfective b., bradycardia occurring after infectious disease. bi cinesia (brad”is-in-e’ze-ah) [Gr. βραδυκινε- ala}. Abnormal slowne of motion.