Local anaesthesia causing methemoglobinemia ?
Correct Answer: Prilocaine
Description: Ans. is 'b' i.e., Prilocaine Prilocaine and benzocaine can cause methemoglobinemia. Impoant facts Chlorprocaine is the shoest acting LA. Dibucaine is the longest acting, most potent and most toxic LA. Bupivacaine is the most cardiotoxic LA (Ropivacaine is a newer bupivacaine congener with less cardiotoxicity). o Levobupivacaine (The S (-) enantiomer of bupivacaine) is less cardiotoxic and less prone to cause seizure. o Prilocaine can cause Met haemoglobinemia. Lignocaine is the most commonly used LA. Bupivacaine has the highest local tissue irritancy. Chlorprocaine is contraindicated in spinal anaesthesia as it can cause paraplegia due to presence of neurotoxic preservative sodium metabisulphite. Procaine is the LA of choice in malignant hypehermia
Category:
Anaesthesia
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now