Definition Phosphorus Hypophosphatemia (defined as phosphate <2.5mg/dL) is reported in 17-28% of critically ill patients. It can result from increased renal excretion of phosphate, decreased absorption by the GI tract, or most commonly, an increase in intracellular movement of phosphate. Phosphate < 1.0 mg/dL may also lead to hemolytic anemia, heart failure, tachypnea, CNS symptoms (including seizures), and […]