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Hypophosphatemia by Professor D
Jun 3, 2024
Lecture Notes: Hypophosphatemia by Professor D
Introduction
Topic:
Hypophosphatemia
Channel:
Professor D's YouTube
Website:
NexusNursingInstitute.com
Social Media:
TikTok, Instagram, Facebook
Related Content:
Videos on Hyperphosphatemia, Hyper/Hypocalcemia
Hypophosphatemia Overview
Definition:
Phosphorus level of less than 2.4 mg/dL
Normal range: 2.4 to 4.4 mg/dL
Causes: Decreased intestinal absorption, increased urinary excretion, shift from extracellular to intracellular fluid
Consequences:
Low serum phosphate
Acute Manifestations:
CNS depression
Muscle weakness
Pain
Respiratory failure
Heart failure
Chronic Manifestations
Alters bone metabolism
Conditions:
Rickets, Osteomalacia
Relation to Hyperphosphatemia:
Inverse relationship with calcium
Pathophysiology
Hyperphosphatemia:
Pulls calcium out of the bloodstream into bones
Hypophosphatemia:
Calcium pulled out of bones into the bloodstream
Management
Mild Deficiency:
Increase oral intake of dairy products, phosphorus supplements
Severe Symptoms:
Requires IV administration of sodium phosphate or potassium phosphate
Monitoring:
Frequent monitoring necessary during IV therapy
Common Causes
Malnutrition
Vitamin D deficiency (needed for calcium absorption)
Parenteral nutrition
Chronic alcoholism (causes multiple electrolyte deficiencies)
Phosphate-binding antacids
Hyperparathyroidism (excess calcium in the blood)
Signs and Symptoms
Muscle Weakness:
Including respiratory muscles
Seizures
Bone Disorders:
Osteomalacia, Rickets
Medical Emergency:
Rhabdomyolysis
Conclusion
Next Topic:
Magnesium imbalances (Hyper and Hypomagnesemia)
Call to Action:
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Full transcript