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-
Pseudocholinesterase deficiency increasing ,action of syccinylcholine Phase 2 blockade produced by succinylcholine Undiagnosed muscular dystrophy and muscular weakness Muscular weakness due to fasciculation produced by succinylcholine