STEP 2 Rapid Review Vitamin Deficiencies

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STEP 2 Rapid Review Vitamin Deficiencies
2012-05-04 12:32:13

Vitamin deficiencies
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  1. Deficiency in: Vitamin A
    Night blindness, dry skin
  2. Deficiency in: Vitamin B1 (thiamine)
    Beriberi (polyneuritis, dilated cardiomyopathy, high-output CHF, edema), Wernicke-Korsakoff syndrome
  3. Deficiency in: Vitamin B2 (riboflavin)
    Angular stomatitis, cheilosis, corneal vascularization
  4. Deficiency in: Vitamin B3 (niacin)
    Pellagra (diarrhea, dermatitis, dementia)
  5. Deficiency in: Vitamin B5 (pantotheate)
    Dermatitis, enteritis, alopecia, adrenal insufficiency
  6. Deficiency in: Vitamin B6 (pyridoxine)
    Convulsions, hyperirritability; required during admin of INH
  7. Deficiency in: Vitamin B12 (cobalamin)
    Macrocytic, megaloblastic anemia; neurologic symptoms (e.g. optic neuropathy, subacute combined degeneration, paresthesias); glossitis
  8. Deficiency in: Vitamin C
    Scurvy (swollen gums, bruising, anemia, poor wound healing)
  9. Deficiency in: Vitamin D
    • Rickets in children (bending bones)
    • Osteomalacia in adults (soft bones), hypocalcemic tetany
  10. Deficiency in: Vitamin E
    Increased fragility of RBCs
  11. Deficiency in: Vitamin K
    Neonatal hemorrhage; Increased PT/aPTT, normal BT
  12. Deficiency in: Biotin
    Dermatitis, enteritis. Can be caused by ingestion of raw eggs or antibiotic use
  13. Deficiency in: Folic acid
    Most common vitamin deficiency in the US. Sprue; macrocytic, megaloblastic anemia without neurologic symptoms
  14. Deficiency in: Magnesium
    Weakness, muscle cramps, exacerbation of hypocalcemic tetany, CNS hyperirritability leading to tremors, choreoathetoid movement.
  15. Deficiency in: Selenium
    Keshan disease (cardiomyopathy)