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Anion Gap

Evaluates states of metabolic acidosis.

We now have an ABG Analyzer to help with acid-base analysis as well.

mEq/L
mEq/L
mEq/L
g/dL

Advice

Anion Gap Metabolic Acidosis: MUDPILERS

  • Methanol - Uremia - DKA/Alcoholic KA - Paraldehyde - Isoniazid - Lactic Acidosis - Etoh/Ethylene Glycol - Rhabdo/Renal Failure - Salicylates

Non-Anion Gap Acidosis: HARDUPS

  • Hyperalimentation
  • Acetazolamide
  • Renal Tubular Acidosis
  • Diarrhea
  • Uretero-Pelvic Shunt
  • Post-Hypocapnia
  • Spironolactone

Acute Respiratory Acidosis (Chronic Respiratory Acidosis = COPD/restrictive lung dz): any hypoventilation state

  • CNS Depression (drugs/CVA)
  • Airway Obstruction
  • Pneumonia
  • Pulmonary Edema
  • Hemo/Pneumothorax
  • Myopathy

Metabolic Alkalosis: CLEVER PD

  • Contraction
  • Licorice
  • Endo: (Conn's, Cushings, Bartter's)
  • Vomiting
  • Excess Alkali
  • Refeeding Alkalosis

Respiratory Alkalosis: CHAMPS (think speed up breathing)

  • CNS disease
  • Hypoxia
  • Anxiety
  • Mech Ventilators
  • Progesterone
  • Salicylates/Sepsis