<prompt> Agent causing malignant hyperthermia is?SuccinylcholineN2ODantrolene sodiumGallamine  <response>: Ans. a SuccinylcholineRef.: Goodman and gillman p 152, 11e, lee 13e, p 352-54, Morgan 3e, p 869 see details of malignant hyperthermis and anesthesia December 2011 