RT Book, Section A1 Arora, Nayan A1 Jefferson, J. Ashley A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1184182616 T1 Hypocalcemia T2 Current Medical Diagnosis & Treatment 2022 YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269389 LK accessmedicine.mhmedical.com/content.aspx?aid=1184182616 RD 2024/04/19 AB ESSENTIALS OF DIAGNOSISUsually asymptomatic but can cause cramps or tetany if severe.Decreased serum parathyroid hormone (PTH), vitamin D, or magnesium levels.Despite a low total serum calcium, calcium metabolism is likely normal if ionized calcium level is normal.