Elizabeth Weatherman

Hypercalcemia I. Problem/Condition. Hypercalcemia (plasma calcium > 10.5mg/dL) is a common electrolyte abnormality. The condition is generally related to primary hyperparathyroidism or malignancy, which account for over 90% of all cases. Primary hyperparathyroidism is the most common cause of hypercalcemia among the ambulatory population, and malignancy accounts for up to 65% of hypercalcemia in hospitalized…