ABG analysis, moderate difficulty, question 1

Your patient is a 60 year old lady, who came into A & E complaining of a UTI and dizziness. She was hypotensive and was given antibiotics and fluid boluses in the ED. She has been brought to your unit for haemodynamic management. She is self-ventilating, on 35% oxygen via a facemask.

Her ABG shows: pH 7.32, PO2 15.5 kPa, PCO2 3.5 kPa, HCO3- 16 mmol/L, BE -8

This shows: (pick one)

Respiratory acidosis with metabolic compensation

Metabolic acidosis with respiratory compensation

A mixed respiratory and metabolic acidosis



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