ABG Analysis- A Bedside diagnostic tool

MBBS
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1

It provides rapid information of a patient’s

  • Acid–base status
  • Ventilation
  • Oxygenation
  • Metabolic function

STEPS INVOLVED IN ABG ANALYSIS

  • Check the pH (Acidemia or Alkalemia)

  • Identify the Primary Disorder

  • Assess Compensation:

  • Metabolic disorders → respiratory compensation

  • Respiratory disorders → metabolic compensation

pH normal = complete compensation
pH abnormal = partial compensation

  • Identify Mixed Acid–Base Disorders

  • Analyse Oxygenation

  • Calculate Anion Gap (Metabolic Acidosis)

  • Anion gap=Na^+ “-”(Cl^-+HCO_3^-)

  • Normal: 8–12 mEq/L

    ABG
    ABG1024×1394 440 KB

Always correlate with history, vitals, labs, patient condition.
Does ABG interpretations always saves the emergency clinical situation?

MBH/PS

2

Most of the cases it does prevent and is intended.

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