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A question I came across on qbank describes a burn victim being given succinylcholine and subsequently developing hyperkalemia. The explaination to the question states that during the prolonged muscle depolarization (caused by succinylcholine) the muscle releases a lot of K+ and this caused the hyperkalemia.
I don't get how depolarizing the muscle will cause it to release K+. In depolarization, the Na+ floods inside the cell, and K+ is KEPT out, it's not that K+ is actively pumped out of the cell. Could some one clarify?
I don't get how depolarizing the muscle will cause it to release K+. In depolarization, the Na+ floods inside the cell, and K+ is KEPT out, it's not that K+ is actively pumped out of the cell. Could some one clarify?