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.
The major types of drugs that speed up metabolism are Benzphetamine, Phendimetrazine, Diethylpropion, Phentermine and many others. More common drugs like caffeine and nicotine are also in this category. They all act like stimulants.