15th March 2022

An ABG sample is taken from a 34-year-old patient, these are the results.

An ABG sample is taken from a 34-year-old patient, these are the results.

• pH 7.21 (ref 7.35 – 7.45)
• PaO2: 12.0 (ref: 11-13 kPa)
• PaCO2: 5.2 kPa (ref: 4.7-6.0 kPa)
• HCO3-: 18 (ref: 22-26 mEq/L)
• Base excess: 1 (ref: -2 to +2 mmol/L)

Which of the following medications may be responsible?

Select the SINGLE most appropriate option from the list below. Select ONE option only.