…because of the cosmesis, often with antibiotic prophylaxis. Deep puncture wounds , where the base cannot be inspected or irrigated clean. Wounds with retained foreign material…

…is decided before the needle goes in: the choice of site, the use of ultrasound throughout the puncture, and maintaining maximal barrier precautions without shortcuts…

…complete heart block without current symptoms, alternating bundle branch block in acute anterior infarction, and before drugs or procedures with a known risk of bradycardia…

…bacterial CNS infections states that CT must not be performed before lumbar puncture in suspected bacterial meningitis — not even with a reduced level of consciousness…

…the risk of pneumothorax and is now the standard — puncture on the basis of percussion and a chest radiograph alone belongs to an earlier era…

…the puncture went. Indications Unexplained cytopenia in one or more cell lines. Suspected acute leukaemia, myelodysplastic syndrome or myeloproliferative neoplasm. Work up and staging of…

…disease. Contraindications Infection of the skin or soft tissues over the puncture site — use another approach or refrain. Bacteraemia without suspicion of joint infection (relative…

…sample. Indications Diagnostic paracentesis: Newly detected ascites — always. Every admission of a patient with known ascites. Clinical deterioration in a cirrhotic patient with ascites: fever…

…the puncture site. An arm with an arteriovenous fistula, previous axillary clearance or lymphoedema. A limb with paresis or marked swelling. A vein suspected of…

…a small amount of lidocaine without adrenaline (epinephrine). 3. Puncture 1–2 cm proximal to the wrist crease at an angle of 30–45 degrees…