A serum calcium concentration above 2.75 mmol/L is considered hypercalcemia. It is primarily seen in hyperparathyroidism, followed by bone metastatic cancer.

bubble_chart Diagnosis

1. There is a primary disease that can cause elevated blood calcium.
2. Early symptoms include fatigue, weakness, lack of strength, loss of appetite, nausea, vomiting, and weight loss.
3. In severe cases, headache, myalgia, thirst, polyuria, or confusion, lethargy, and even unconsciousness may occur.
4. Hypercalcemic crisis: dehydration, high fever, arrhythmia, and heart or kidney failure leading to death.
5. Serum calcium is higher than normal.

bubble_chart Treatment Measures

1. Treat the primary disease, such as removal of parathyroid adenoma, etc.
2. Low-calcium diet to prevent dehydration.
3. Rehydration, use of ethylenediaminetetraacetic acid (EDTA), steroid hormones, sodium sulfate, etc.