Hypoparathyroidism can occur after surgical resection of parathyroid adenoma. Total parathyroidectomy or thyroidectomy can lead to hypoparathyroidism because of parathyroid gland removal or destruction of the parathyroid vascular supply. 1 Late onset - Kenny syndrome Hypoparathyroidism also can be sporadic. Diagnosing hypoparathyroidism requires hypocalcemia, hyperphosphatemia, and low parathyroid hormone levels in the absence of renal failure or intestinal malabsorption. Total and ionized calcium are decreased.
Serum magnesium can be low, high, or normal.
Serum phosphorous is increased. Calcification of cerebellum, choroid plexus, and basal ganglia can occur. Obtain IV access. Control seizures with a benzodiazepine. This solution will raise ionized calcium by 0.5-1.5 mmol.