…perforation — Seidel's sign, an irregular pupil, a soft globe — because a perforated eye must never be instrumented, have its pressure measured, or be palpated…

…that did not need syringing. The second commonest is that the syringing is performed on a tympanic membrane that was already perforated. Indications Otoscopy: earache…

…cannot be kept still without sedation. Suspected tympanic membrane perforation. Irrigation is contraindicated in: suspected perforated tympanic membrane, organic material that swells, batteries and magnets…

…the iliac crest is inaccessible, but biopsy must never be taken from the sternum — the needle may perforate into the mediastinum. The anterior superior iliac…

Procedurer Pericardiocentesis is performed on the basis of the haemodynamics, not the volume of fluid. A litre that has accumulated slowly can be asymptomatic, while…

Procedurer Two recordings that are performed in primary care but interpreted as specialist investigations. Both fail more often for practical than for medical reasons: the…

CPR This chapter discusses interventions and evaluations performed during advanced cardiovascular life support (ACLS). While basic life support (BLS) can be delivered by virtually anyone…

Procedurer Almost all nosebleeds arise from Kiesselbach's plexus on the anterior septum and stop with correctly performed compression. The reason compression nevertheless so often…

…in acute coronary syndromes & chest pain patients An ECG must be performed on all patients seeking medical attention due to chest discomfort or other symptoms…

…wrong patient — a mislabelled tube, or an identity check performed at the nurses' station instead of at the bedside. The check against the patient's…