bradyrhythmia

bra·dy·car·di·a

(brad'ē-kar'dē-ă),

Slowness of the heartbeat, usually defined (by convention) as a rate under 50 beats/minute.

Synonym(s): brachycardia, bradyrhythmia

[brady- + G. kardia, heart]

bradyrhythmia

(brăd″ē-rĭth′mē-ă) [″ + rhythmos, rhythm]

1. Slowness of heart or pulse rate.

2. In electroencephalography, slowness of brain waves (1 to 6 per sec).