• Vital signs: stable, afebrile, with mild sinus tachycardia.
• Abdomen is soft, non-distended with positive bowel sounds, but with positive guarding and rebound tenderness.
• WBC count eleated at 15.1, lactic acid 2.5 mmol/L (high), potassium 6.4 mmol/L (critical high), urinalysis positive for protein, ketones and urobilinogen.