In the management of hypomagnesemia-induced hypoparathyroidism, what intervention is essential?

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Multiple Choice

In the management of hypomagnesemia-induced hypoparathyroidism, what intervention is essential?

Explanation:
Magnesium repletion is essential because magnesium is needed for both release of parathyroid hormone and for PTH to act effectively on its target tissues. When magnesium is severely deficient, the parathyroid gland cannot secrete enough PTH, and even tissues that respond to PTH become resistant. Correcting the magnesium loss allows PTH secretion and action to recover, which then normalizes calcium levels. Simply giving calcium won’t fix the underlying problem if magnesium remains low, and phosphate restriction isn’t the primary intervention here. Calcimimetics would further suppress PTH and worsen the deficiency-related hypoparathyroidism.

Magnesium repletion is essential because magnesium is needed for both release of parathyroid hormone and for PTH to act effectively on its target tissues. When magnesium is severely deficient, the parathyroid gland cannot secrete enough PTH, and even tissues that respond to PTH become resistant. Correcting the magnesium loss allows PTH secretion and action to recover, which then normalizes calcium levels. Simply giving calcium won’t fix the underlying problem if magnesium remains low, and phosphate restriction isn’t the primary intervention here. Calcimimetics would further suppress PTH and worsen the deficiency-related hypoparathyroidism.

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