Hypophosphatemia is recognized most often in critically-ill patients, decompensated diabetics, alcoholics or other malnourished persons, and acute infectious or pulmonary disorders.
A decrease in serum phosphate should be distinguished from a decrease in total body storage of phosphate.
Hypophosphatemia may be transient and reflect intracellular shift with minimal clinical consequences.
Most symptoms of acute hyperphosphatemia are due to secondary hypocalcemia.
The significant level of hyperphosphatemia in adults is 5 mg/dL.
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