ABG-4

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Topic: ABG-4

Posted on: November 24, 2016

Patient no 1
A 23 years old male is admitted in a hospital with severe diarrhoea but no vomiting probably
due to cholera. His biochemical investigations were as following:

• pH  7. 23 (7.35-7.45)
• Base Excess- 15.3 (<+3- -3)
• pCO2 29.1 mmHg (35-45)
• pO2 97 mmHg (80-100 )
• Bicarbonate 14.1 mmol/L (22-28)
• Na 136 mmol/L (138-145)
• K 2.4 mmol/L (3.5-5.0)
• Chloride 106 mmol/L (95-105)
• Anion Gap: 18.3 (8-14)

a. What is the most likely Acid Base Disorder this patient is suffering from?

b. Write TWO possible causes of raised Anion Gap in this patient.
a.Double acidosis; High Anion and Normal Anion Gap Metabolic Acidosis
b. Acute Kidney Injury and Lactic Acidosis
Ref No 6
The Δanion gap_ΔHCO3 ratio in patients with a high anion gap metabolic acidosis
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