Emergency treatment

a. For acute symptomatic hypocalcemia, give 2-3 mg elemental calcium per kilogram body weight or 0.25 mL calcium gluconate per kilogram body weight (10% solution) IV at a rate of no more than 1 mL/min under constant cardiac monitoring. Can continue with a constant infusion at a rate of 50-75 mg elemental calcium per kilogram per day until hypocalcemia is corrected.

b. For hypomagnesemic hypocalcemia, give 6 mg elemental magnesium per kilogram body weight or 0.12 mL per kilogram body weight of 50% magnesium sulfate IM or IV over 1-4 hours.

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