The effects of abnormal calcium levels are seen in several body systems including the skeletal, gastrointestinal, renal , muscular, and central nervous system . A biopsy of the parathyroid gland shows tumor or hyperplasia . A radioimmunoassay of parathyroid hormone that shows an increased level. Serum calcium is increased. Serum chloride may be increased.
Serum phosphorus is decreased.
Serum alkaline phosphatase may be increased. Bone X-ray shows bone reabsorption or fractures . Imaging of the kidneys or ureters shows calcification or obstruction. ECG may show abnormalities. Treatment Treatment depends upon the severity and cause of the condition.