Medical Dictionary. arrhythmia. play. noun arÂ·rhythÂ·mia \Ä-Ërith-mÄ-É\. Medical Definition of arrhythmia. : an alteration in rhythm of the heartbeat either in time or force.
Central metabolism provides mechanisms for the generation of energy from carbon-energy source catabolism and the production of biosynthetic precursors and intermediates for the anabolic pathways essential to maintain cell structure and function.
Metabolism: Rapid and extensive metabolism through ester hydrolysis to diphenoxylic acid (major metabolite). Elimination: Urine (14%), feces (49%). T 1/2 =12-14 hrs (diphenoxylic acid).