Successful resuscitation of prolonged hyperkalemic cardiac arrest following succinylcholine administration in possibly undiagnosed myopathy

We report a 3 years old male with undiagnosed myopathy, who developed cardiac arrest secondary to hyperkalemia following succinylcholine administration.The patient underwent prolonged cardiopulmonary resuscitation [CPR], which ended successfully after applying external pace maker. He was discharged home eleven days after the cardiac arrest for follow up of his myopathy