Quinidine

Synonyms

Adaquin

Apo Quinidine

Apo-Quinidine

Apotex Brand of Quinidine Sulfate

Chinidin

Cinchonan-9-ol, 6'-methoxy-, (9S)-

Fawns & McAllan Brand of Quinidine Sulfate

Nelson Brand of Quinidine Sulfate

Quincardine

Quinidex

Quinidine Sulfate

Quinora

Robins Brand of Quinidine Sulfate

Sulfate, Quinidine

An optical isomer of quinine, extracted from the bark of the CHINCHONA 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 POTENTIALS, and decreases automaticity. Quinidine also blocks muscarinic and alpha-adrenergic neurotransmission.