MRCP2-0664

MRCP2-0664

A 25-year-old man presents to the Emergency Department approximately 1 hour after ingesting 60 × 100 mg aspirin tablets. He has a history of depression and has attempted suicide in the past.

On examination, his blood pressure is 120/70 mmHg and pulse 80 bpm and regular. He weighs 70 kg and appears anxious.

Investigations:
Haemoglobin (Hb) 140 g/l (normal range: 130-170 g/l)
White cell count (WCC) 8.0 × 109/l (normal range: 4-11 × 109/l)
Platelets (PLT) 250 × 109/l (normal range: 150-400 × 109/l)
Sodium (Na+) 138 mmol/l (normal range: 135-145 mmol/l)
Potassium (K+) 4.0 mmol/l (normal range: 3.5-5.0 mmol/l)
Bicarbonate 24 mmol/l (normal range: 22-30 mmol/l)
Creatinine 80 µmol/l (normal range: 50-120 µmol/l)
Glucose 6.0 mmol/l (normal range: 3.5-5.5 mmol/l)

What is the most appropriate next step in managing this patient?