…superior and medial to the anterior superior iliac spine and lateral to the lateral border of the rectus abdominis — this avoids the inferior epigastric artery…

…and always urgent. A large pericardial effusion with symptoms despite medical treatment. Diagnostic drainage in suspected purulent pericarditis, tuberculosis or malignancy. Tamponade is a clinical…

…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…

…of the opening pressure in suspected idiopathic intracranial hypertension. Therapeutic drainage in idiopathic intracranial hypertension and in assessment before shunt surgery. Contraindications Clinical signs of…

…lip) Venous drainage towards the cavernous sinus Surgeon or ENT; often antibiotics Palm, fingers, tendon sheaths Deep compartments and tendon sheaths, loss of function Orthopaedic…

…or the cut off finger of a sterile glove rolled down. A nail splitter or strong pointed scissors, a Freer elevator or small artery forceps…

…Outside it the risk of injuring the diaphragm, liver, spleen or internal thoracic artery increases. For diagnostic aspiration the point chosen is instead where the…

…5th intercostal space along the anterior axillary line. Thoracostomy This method is generally deemed safer than using a needle due to reduced risk of injury…

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

…impairment or a large residual volume. A need for accurate measurement of urine output in a critically ill patient. Perioperatively and postoperatively in longer procedures…