…by haematological malignancy, stem cell transplantation, immunosuppressive drugs, radiotherapy, bone marrow failure and certain targeted cancer treatments. Fever is not obligatory Hypothermia, new confusion, tachypnoea…

…ankle brachial index and the foot status before any procedure on a toe. Critical ischaemia. Immunosuppression. Suspicion of another diagnosis: gout, a felon (pulp abscess)…

…Diabetes, immunosuppression A risk of necrotising otitis externa Anticoagulant treatment Bleeding into the ear canal Previous radiotherapy to the head and neck Fragile skin, poor…

…contamination, not poor suture technique — and the commonest cause of permanent loss of function is a tendon injury that was sutured over without being found…

…other than acute meningitis — an insidious onset, known malignancy, immunosuppression, papilloedema or new focal neurological signs — CT is performed first. Preparation and equipment Informed consent…