Full blood count Blood glucose – even if the capillary blood glucose is normal Urea and electrolytes Calcium and bone profile Liver function tests Clotting screen Toxicology screen – including paracetamol, salicylate and blood alcohol level electrocardiogram (ECG) Chest X-ray Arterial blood gas – including carbon monoxide concentration Blood cultures should be taken from patients with fever or suspected sepsis, preferably before the administration of empirical antibiotics Other microbiology samples should be taken based on the clinical assessment
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