When to Measure Ionized Calcium

Hypercalcemia affects approximately 1% of the population. Its presence typically indicates an underlying disorder and requires diagnostic evaluation. In this podcast, JAMA Associate Editor Anne Cappola, MD, ScM, interviews Elizabeth Shane, MD, an endocrinologist and professor of medicine at Columbia University Medical Center, about the clinical approach to diagnosing and managing hypercalcemia. Related Content:

• Hypercalcemia