TY - CHAP M1 - Book, Section TI - Hypo- and Hypercalcemia Abnormalities A1 - Kecskes, Susan A. A2 - Tenenbein, Milton A2 - Macias, Charles G. A2 - Sharieff, Ghazala Q. A2 - Yamamoto, Loren G. A2 - Schafermeyer, Robert PY - 2019 T2 - Strange and Schafermeyer's Pediatric Emergency Medicine, 5e AB - Less than one percent of the body’s calcium is in the circulation.Only the ionized form of circulating calcium is physiologically active.Parathyroid hormone (PTH), vitamin D, and calcitonin are the hormones that control calcium levels.IV calcium can be given as calcium chloride or calcium gluconate but the mg doses are different.IV calcium is very irritating to tissues and veins. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1155427977 ER -