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QUINIDINE Chemical compatibility with O-rings, rubbers, & plastics

Quinidine is a white crystalline alkaloid derived from the bark of the cinchona tree. It is an antiarrhythmic agent used to treat and prevent various types of irregular heartbeats, such as atrial fibrillation and ventricular tachycardia. Quinidine works by blocking sodium channels, which helps to stabilize the heart's electrical activity and restore normal rhythm. It is also used to treat certain types of malaria caused by Plasmodium falciparum, particularly when other treatments have failed or are not available. Quinidine is available in various formulations, including tablets, capsules, and injections. However, its use may be associated with side effects such as nausea, diarrhea, dizziness, and QT prolongation. Careful monitoring and dosage adjustments are necessary to ensure its safe and effective use. Quinidine has a long history of medical use and remains an important medication for certain cardiac and infectious conditions.

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