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. Calcium chloride can be used but is irritating, if extravasated. An endocrinologist may be consulted. Electrolyte supplements - Hypoparathyroidism manifests as hypocalcemia. As a result, calcium supplementation may be indicated.