Assess renal function and serum
calcium and phosphate levels. Hypercalcemia may be asymptomatic or may be
associated with polyuria, dehydration, thrombosis, muscle weakness, and
hyporeflexia. ECG is recommended. In the presence of symptomatic or
clinically significant hypercalcemia, active steps should be taken to lower
the serum levels (i.e., with saline rehydration/diuresis). Phosphate
supplementation may be required. Evaluate carefully the airway for potential difficult tracheal intubation (clinical,
radiograph). Evaluate severity of the disease (clinical, full history,
radiographs).