SAQ 1033 – Metabolic – alcohol use with vomiting and abnormal blood gas

Marked out of 12.00

A middle-aged homeless man with heavy alcohol use and frequent ED attendance presents with vomiting, abdominal pain and dehydration.

He is tachycardic and tachypnoeic, afebrile, has normal glucose and serum ketones of 10 mmol/L. VBG results are shown.

Parameter Value
pH 7.40
pCO2 38 mmHg
pO2 80 mmHg
Potassium 3.2 mmol/L
Sodium 134 mmol/L
Chloride 88 mmol/L
Glucose 5.8 mmol/L
Lactate 2.5 mmol/L
Creatinine 118 micromol/L
Bicarbonate 20 mmol/L

Interpret the VBG.

(Marked out of 6.0)


/ 6

Give the most likely diagnosis and relevant differential diagnoses.

(Marked out of 2.0)


/ 2

Outline your management plan.

(Marked out of 4.0)


/ 4

Total Score: 0 / 12

Percentage: 0%