In all of the following conditions, Hyperkalemia produced by succinylcholine is exaggerated except-: (A) Spinal cord transaction, (B) Muscle dystrophy, (C) Trauma, (D) Stroke
Answer is D. Serum potassium increases by approximately 0.5 MEg/L a few minutes after injection of succinylcholine severe hyperkalemia ,occasionally leading to cardiac arrest. Conditions are:- Major dennervation injuries Spinal cord transaction Peripheral dennervations Prolonged immobility Trauma Burn And very rarely stroke. The following are the side effects of succinyl choline: Cardiovascular effects: Sinus bradycardia Junctional rhythms Ventricular dysrhythmias Hyperkalemia Myalgia Masseter spasm- Succinyl choline can trigger malignant hypehermia Increased intracranial pressure: Succinylcholine may lead to an activation of the EEG and slight increases in CBF and ICP in some patients. Increased intraocular pressure Increased intragastric pressure