About The Medical Condition Quinidine
Find the definition of the medical term Quinidine. Quinidine defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Quinidine
| Quinidine Medical Condition |
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What's The Definition Of The Medical Condition Quinidine?
An optical isomer of quinine, extracted from the bark of the Cinchona tree and similar plant species. This alkaloid dampens the excitability of cardiac and skeletal muscles by blocking sodium and potassium currents across cellular membranes. It prolongs cellular action potential, and decreases automaticity. Quinidine also blocks muscarinic and alpha-adrenergic neurotransmission.
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