<prompt> The admistration of succinylcholine to a paraplegic patient led to appearance of dysarrythimas, conduction abnormalities band finally cardiac arrest. The most likely cause isHypercalcemiaHyperkalemiaAnaphylaxisHypermagnesmia  <response>: Refer Katzung 11e p460 Succinylcholine can cause Hyperkalemia especially in patients with nerve and muscle disorders. Therefore it is contra indicated in patients with nerve diseases and muscle diseases 