…the face or perianally. Indications Fluctuant, tender, erythematous and indurated swelling in the skin or subcutis. Pilonidal abscess, hidradenitis abscess and paronychia with a collection…

…haemolysis or bleeding Ferritin 15–300 µg/L (women 10–150) An acute phase protein — a normal ferritin does not exclude iron deficiency in the…

…deceased — in the donation register, on a donor card, or through statements made to the next of kin. Active malignancy with a risk of transmission…

…insulin in a person with type 1 diabetes , not even before fasting or an investigation. Stopping it leads to ketoacidosis within hours. Treatment with correction…

…mask: A rescue airway when intubation has failed and bag mask ventilation is difficult or inadequate. The primary airway in cardiac arrest when the person…

…or more with continuing bleeding, or a smaller measured blood loss if there is physiological compromise. Do not wait for hypotension in young, pregnant or…

…that bradycardia due to dysfunction in the sinoatrial node is referred to as sinus node dysfunction (SND). If a person with ECG signs of SND…

…activity or environmental stresses such as heat, humidity, altitude or wind. A gradual progression is particularly important in previously sedentary individuals and those with chronic…

…if a tracheal tube cannot be established. Nasopharyngeal airways may cause complications in patients with skull fractures (risk of intracranial malposition of the tube) or…

…including laypeople. As shown in Table 1, BLS is an exceptionally effective treatment, with a very low number needed to treat (NNT), indicating high effectiveness…