Acid Base disturbances

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Author:
JCremer
ID:
29307
Filename:
Acid Base disturbances
Updated:
2010-08-08 13:45:07
Tags:
USMLE Step
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Description:
Acid Base disturbances
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  1. Metabolic alkalosis causes
    • Vomiting (ctrxn alkalosis)
    • Diuretucs
    • Cushings
    • Hyperaldoseronism
    • Adrenal hyperplasia
  2. Respiratory alkalosis causes
    • Hypervent
    • High altitude
    • Asthma
    • ASA toxicity
    • PE
  3. Respiratory Acidosis causes
    • COPD
    • Respiratory depression
    • Neuromuscular dz
  4.  AG metabolic acidosis
    • Methanol
    • Uremia
    • DKA
    • Paraldehyde
    • INH
    • LA
    • Ethanol
    • Salicylates
  5. Normal AG metabolic acidosis
    • Diarrhea
    • RTA
    • TPN
  6. Normal AG
    8-12
  7. 6 D's hypernatriemia
    • Diuretics
    • Dehydration
    • DI
    • Docs-iatrogenic
    • Diarrhea
    • Disease of kidney-hyperaldosteronism
  8. Hyponatremia, serum osmolality 280, FeNa 1%, fluid overload
    • Cirrhosis
    • Nephrotic syndrome
    • CHF
  9. Hyponatremia, serum osmolality 280, FeNa 1%, euvolemia
    Polydipsia
  10. Hyponatremia, serum osmolality 280, FeNa 1%, dehydration
    • Vomiting
    • Diarrhea
    • Insensible loss with free h20 replacement
    • Fluid sequesteration (pancreatitis)
  11. Hyponatremia, serum osmolality 280, FeNa 1% fluid overload
    Renal Failure
  12. Hyponatremia, serum osmolality 280, FeNa 1%, euvolemia
    • SIADH
    • Hypothyroidism
  13. Hyponatremia, serum osmolality 280, FeNa 1% dehydration
    • Diuretics
    • ACE i
  14. Hyponatremia, 280-295osm, hyperlipidemia
    Pseudohyponatriemia
  15. Hyponatremia, 295osm, high glucose
    Osmotic hypovolemia

    GlucoseDKA
  16. Hyponatremia, 295osm, normal glucose
    Hypertonic intake

    Mannitol
  17. Hypercalcemia and EKG
    Short QT
  18. Hypocalcemia & EKG
    Long QT

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