Procedurer Almost all the complications of pleural aspiration arise from two errors: the needle is placed in the wrong site, and too much is drained…

…compressible vessel. Allen's test is still used in many units to assess the collateral circulation, but the test does not reliably predict ischaemic complications…

…the wrong treatment : Aortic dissection with haemopericardium — drainage can increase the bleeding and worsen the prognosis. The patient must go to cardiothoracic surgery. In profound…

…and the abscess sits somewhere that makes incision in the emergency department the wrong move — in the hand, in the medial triangle of the face…

…with haemodynamic compromise, whatever the current haemoglobin — haemoglobin falls late in acute haemorrhage and a normal value does not exclude significant blood loss. Massive haemorrhage…

…do not guess. Measure the blood pressure in both arms when fitting the device. Use the arm with the higher pressure, or the non dominant…

…usually goes wrong is not that the patient gets too little oxygen but that the prescription has no target — the nasal cannula stays in place…

…emergency physicians be trained in HINTS, Dix Hallpike and the Epley manoeuvre, since otherwise these examinations are easily applied to the wrong patient or misinterpreted…

…several non pharmacological measures at the same time, and use drugs only in severe agitation or marked distress. Delirium is an acute neuropsychiatric syndrome and…

…tinnitus or neurological deficits. In horizontal positional vertigo (lateral semicircular canal) the supine roll test is used for diagnosis, and the barbecue roll or the…