in malignant hyperpyrexia susceptible ( mhs ) porcine skeletal muscle , a low concentration ( 100 mumol/l ) of the calcium ion antagonist 8- ( n , n-diethylamino ) -octyl-3,4,5-trimethoxybenzoate ( tmb-8 ) inhibited kcl-induced contractures , but potentiated contractures induced by halothane , caffeine and succinylcholine .
C0024591
malignant hyperpyrexia
C0038627
succinylcholine