…a very large or deep abscess, a markedly unwell patient with fever and systemic upset, suspected necrotising soft tissue infection, a child who cannot tolerate…

…and is the only tissue that produces new nail. Its visible distal part is the lunula. The matrix horns are the lateral extensions of the…

…and the drainage is stopped for coughing, chest pain, or when the volume limit is reached. Indications Diagnostic aspiration: a new pleural effusion of unclear…

…the only absolute indication, and always urgent. A large pericardial effusion with symptoms despite medical treatment. Diagnostic drainage in suspected purulent pericarditis, tuberculosis or malignancy…

…specifically with an absence of sounds on the affected side. Ultrasonography can reveal pneumothorax (highlighted by a lack of lung tissue) and its impact on…

…is because it does not ensure complete drainage of the pericardium, and needles or catheters are at risk of bending or damage during chest compressions…

…Preparation and equipment A laryngeal mask of the correct size plus one size above and one below. Second generation masks with a separate drainage channel…

…of dementia with biomarkers (amyloid, tau, phospho tau). Measurement of the opening pressure in suspected idiopathic intracranial hypertension. Therapeutic drainage in idiopathic intracranial hypertension and…

…sheath, and a cell count plus albumin on the sample. Indications Diagnostic paracentesis: Newly detected ascites — always. Every admission of a patient with known ascites…

…catheter is not easier to pass. With a difficult passage it is the shape of the tip and the technique that matter, not the calibre…