lab values < 2.5 mg/dL phosphorus
Causes:
* decreased interstitial absorption
* antacids, lack of vitamin D
* severe diarrhea
* increased renal elimination
* alkalosis, DKA
* hyperparathyroidism
* renal tubular absorption
* malnutrition
* alcoholism
* TPN
MANIFESTATIONS
* neurologic:
** ataxia, confusion, stupor, coma, tremors, parathesias, seizures
MS
* bone pain, joint stiffness, muscle weakness, osteomalacia
Blood Disorders
* hemolytic anemia
* impaired WBC function
* platelet dysfunction with bleeding disorders
TREATMENT
* ID & treat underlying cause
* replacement therapy, either PO or IV, depending on severity