Anaesthesia After suxamethonium 50mg, apnea persists for one hour — A treatment with cholnesterase is indicated B Probably an atypical cholinesterase is present C Treatment with stored blood is indicated D Apnea may be due to low serum potassium concentration π‘ Explanation After suxamethonium 50mg, apnea persists for one hour -- β Correct Answer: B. Probably an atypical cholinesterase is present