SAQ 1694 – Aspirin overdose with venous blood gas interpretation

Marked out of 13.00

A 28-year-old woman presents after a deliberate aspirin overdose.

List five history or examination findings consistent with salicylate toxicity.

(Marked out of 5.0)


/ 5

After a short time in ED, a venous blood gas is taken and shown below. State three acid-base abnormalities, including biochemical evidence for each.

(Marked out of 6.0)

Test Result Reference range
pH 7.44 7.35-7.45
pCO2 15 mmHg 35-45
pO2 40 mmHg
Base excess -14.0 mmol/L -3.0 to +3.0
HCO3 10 mmol/L 18-27
Na 142 mmol/L 133-144
K 3.3 mmol/L 3.3-4.9
Cl 114 mmol/L 97-110


/ 6

List two methods of treatment for salicylate toxicity, including the indications for each.

(Marked out of 2.0)


/ 2

Total Score: 0 / 13

Percentage: 0%