HyperCa Flashcards
Acute hypercalcemia with low PTH?
Malignancy – PTHrP
Causes of acute hypercalcemia with a high PTH?
Primary hyperparathyroidism, MEN
Chronic hypercalcemia with low PTH?
Granulomatous disease, immobilization
genetic: familial hypocalciuric hypercalcemia
OD: milk-alkali syndrome, vitamin D intoxication
Drugs: thiazides, Li
endo: adrenal insufficiency hyperthyroidism
Patient with hypercalcemia, hypophosphatemia, elevated PTH? Treatment?
Primary hyperparathyroidism. Medical therapy or surgery
Lithium presents like?
Primary hyperparathyroidism
Treatment of malignancy related hypercalcemia?
- Tumor treatment
- Bisphosphonates
- Calcitonin
Low PTH levels and elevated 1, 25 vitamin D levels? Treatment?
Sarcoidosis. Avoid sunlight, decrease vitamin D and calcium intake, glucocorticoids
Mechanism of hypercalcemia in sarcoidosis?
Excess 1, 25 vitamin D synthesized in macrophages and lymphocytes
Low PTH levels, elevated 25 vitamin D, normal 1, 25 vitamin D. Tx?
Excessive vitamin D intake. Glucocorticoids
Acute treatments of hypercalcemia?
- Hydration plus diuretic
- Calcitonin
- Dialysis
Subacute treatment for hypercalcemia?
Bisphosphonate
Long-term treatment for hypercalcemia?
Glucocorticoids
Symptoms of Hypercalcemia <12
Polyurea and dehydration
Symptoms of hypercalcemia >13
- Neuro: (lethargy, stupor, coma)
- G.I. (anorexia, nausea, constipation, ulcers)
- Kidney (polyurea, nephrolithiasis, prerenal azotemia)
- Musculoskeletal (arthralgias, myalgias, weakness)
Indications for parathyroid surgery?
Hypercalcemia >15
Age <-2.5