Hypophosphatemia

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Hypophosphatemia

  1. 1. Hypophosphatemia
  2. 2. Description• Hypophophatemia:• Is a serum phosphorus level lower than 2.7 mg/dL• A decrease in the serum phosphorus level is accompanied by an increase in the serum calcium
  3. 3. Causes• Insufficient phosphorus intake: malnutrition and starvation• Increased phosphorus excretion – Hyperparathyroidism – Malignancy – Use of aluminum hydroxide-based or magnesium based antacids• Intracellular shift – Hyperglycemia – Respiratory alkalosis
  4. 4. Assessment• Cardiovascular – Decreased contractility and cardiac output – Slowed peripheral pulses• Respiratory: shallow respirations• Neuromuscular – Weakness – Decreased deep tendon reflexes – Decreased bone density that can cause fractures and alterations in bone shape – Rhabdomyolysis• Central Nervous System – Irritability – Confusion – Seizures• Hematological – Decreased platelet aggregation and increased bleeding – Immunosuppression
  5. 5. Interventions• 2.7 – 4.5• Monitor cardiovascular, respiratory, neuromuscular, CNS, & hematological status• Discontinue medications that contribute• Administer phosphorus orally w/vitamin D supplement• Prepare to administer phosphorus IV when serum levels fall below 1mg/dL and critical clinical manifestations• Administer IV phosphorus slowly because of the risks associated• Assess renal system before administering• Move client carefully, & monitor for signs of a fracture• Instruct client to increase intake of phosphorus containing foods while decreasing intake of calcium containing foods• Common Phosphorus Food Sources:• Fish, organ meats, nuts, pork, beef, chicken, whole-grain breads and cereals

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