Causes of Hypocalcemia%u2022 Parathyroid destruction by surgery, metastases, or amyloidosis%u2022 Autoimmune conditionsLow PTH:%u2022 Vitamin D deficiency%u2022 PTH resistance (Pseudohypoparathyroidism)High PTH:%u2022 Hyperventilation%u2022 Acute pancreatitisOther causes: