Severe Symptomatic Hypocalcemia from HIV Related Hypoparathyroidism
Table 1
Clinical course showing laboratory studies and treatment regimen.
Date
Corrected total calcium (normal range, 8.4–10.2 mg/dL)
Ionized calcium (normal range, 4.5-5.5 mg/dL)
Serum phosphate (normal range, 2.7–4.5 mg/dL)
Medications
11/2012
6.9
3.0
5.9
Calcitriol 0.25 mcg daily Total elemental calcium 1440 mg daily (as calcium carbonate 3600 mg daily in divided doses) Vitamin D 50,000 units weekly
12/2012
7.0
3.5
5.9
Calcitriol 0.25 mcg twice daily Total elemental calcium 2400 mg daily (as calcium carbonate 6000 mg daily in divided doses) Vitamin D 50,000 units weekly
3/2013
7.2
3.5
5.7
Calcitriol 0.25 mcg three times daily Total elemental calcium 1800 mg daily (as calcium carbonate 4500 mg daily in divided doses) Vitamin D 50,000 units weekly
6/2013
7.0
3.2
5.4
Calcitriol 0.5 mcg twice daily Total elemental calcium 2000 mg daily (as calcium carbonate 5000 mg daily in divided doses) Vitamin D 50,000 units weekly
8/2013
7.9
-
-
Calcitriol 0.5 mcg three times daily Total elemental calcium 3600 mg daily (as calcium carbonate 7500 mg daily and calcium citrate 2850 mg daily in divided doses) Vitamin D 50,000 units weekly
11/2013
9.2
4.8
-
Calcitriol 0.5 mcg three times daily Total elemental calcium 3800 mg daily (as calcium carbonate 7500 mg daily and calcium citrate 3800 mg daily in divided doses) Vitamin D 50,000 units weekly