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783 Anaesthesia

A 70 kg old athlete was posted for surgery, Patient was administered succinylcholine due to unavailability of vecuronium. It was administered in intermittent dosing [total 640 mgi. During recovery patient was not able to respire spontaneously & move limbs. What is the explanation-

APseudocholinesterase deficiency increasing ,action of syccinylcholine
BPhase 2 blockade produced by succinylcholine (Correct Answer)
CUndiagnosed muscular dystrophy and muscular weakness
DMuscular weakness due to fasciculation produced by succinylcholine