The administration of succinylcholine to a paraplegic patient led to appearance of dysarrythmias, conduction abnormalities and finally cardiac arrest. The most likely cause is:
Ans. (B) Hyperkalemia(Ref: Katzung 11th/e p460)Succinylcholine can cause hyperkalemia especially in patients with nerve and muscle disorders. Therefore it is contra-indicated in patients with nerve diseases (like paraplegia, hemiplegia and Guillain barre syndrome) and muscle diseases (muscular dystrophy, myasthenia gravis, crush injury, burns and rhabdomyolysis).
Anaesthesia
Hypercalcemia
Hyperkalemia
Anaphylaxis
Hypermagnesemia
Hyperkalemia