Question:
Cinchona alkaloid used as an anti-arrhythmic agent is
Cinchona alkaloid used as an anti-arrhythmic agent is
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Quinine = Anti-malarial; Quinidine = Anti-arrhythmic.
Updated On: May 19, 2026
- Quinidine
- Procainamide
- Amiloride
- Lidocaine
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The Correct Option is A
Solution and Explanation
Step 1: Concept
Cinchona bark provides several alkaloids, including Quinine and its isomer Quinidine.
Step 2: Meaning
Anti-arrhythmic agents are drugs used to suppress abnormal rhythms of the heart.
Step 3: Analysis
Procainamide, Amiloride, and Lidocaine are synthetic drugs. Quinidine is the dextrorotatory stereoisomer of quinine and acts as a Class IA anti-arrhythmic.
Step 4: Conclusion
Thus, Quinidine is the specific Cinchona alkaloid used for heart arrhythmias.
Final Answer: (A)
Cinchona bark provides several alkaloids, including Quinine and its isomer Quinidine.
Step 2: Meaning
Anti-arrhythmic agents are drugs used to suppress abnormal rhythms of the heart.
Step 3: Analysis
Procainamide, Amiloride, and Lidocaine are synthetic drugs. Quinidine is the dextrorotatory stereoisomer of quinine and acts as a Class IA anti-arrhythmic.
Step 4: Conclusion
Thus, Quinidine is the specific Cinchona alkaloid used for heart arrhythmias.
Final Answer: (A)
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