…of broad and typically notched R waves in leads I, aVL, and the left precordial leads, and narrow r waves followed by broad, deep S…

…dislodgement, lead fracture or inadequate myocardial contact. It may also be due to the low amplitude (voltage) of the potentials generated by activated myocardium. Functional…

…becomes and the greater the risk of chondral and neurovascular injury. Aim for reduction within a few hours. Contraindications A fracture dislocation requiring operative treatment …

…cuticle — Hutchinson's sign). An open fracture of the distal phalanx with a subungual haematoma — manage it as an open fracture. The anatomy of the…

…dislocation. Immobilisation of a ligament injury, a tendon injury, or after suturing over a joint. Pain relief and stabilisation for transfer in a suspected fracture…

…swelling. A vein suspected of thrombosis or previously thrombophlebitic. Intraosseous access (absolute, for the bone in question): A fracture of the bone to be punctured…

…stricture or a known diverticulum Relative Recent nasal or pharyngeal surgery Signs that should raise the suspicion of a base of skull fracture: periorbital bruising…

…help using the words massive haemorrhage , and state the patient's location and identity, the presumed cause of bleeding, and how the products are to…

…The contralateral side of the septum already cauterised — bilateral cautery carries a risk of perforation Anterior packing: Suspected base of skull fracture or a significant…

…is given. The serious incidents almost always arise when the principle of titration is abandoned — when a fixed dose is given without assessment, when a…

…surgery of the nose, pharynx or oesophagus. Marked nausea, anxiety or communication difficulties that prevent the patient from cooperating. Suspected base of skull fracture or…

…often missed. On medical and geriatric wards a substantial proportion of older patients are affected, and the incidence is particularly high after hip fracture, major…

…the visual acuity before anything else is done. The second most important is to look for signs of perforation — Seidel's sign, an irregular pupil…

…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…

…Stent fracture or collapse Residual edge dissection Incomplete lesion preparation Persistent stenosis within the treated segment Mechanical factors are particularly important because correction of the…

…crush technique, stent fracture or collapse Lesion specific angiographic features Residual dissection at a stent margin, impaired flow into or out of the stent, stent…

…be established. Nasopharyngeal airways may cause complications in patients with skull fractures (risk of intracranial malposition of the tube) or coagulopathy (risk of bleeding). An…

…a high probability of unstable angina (UA), and patients whose initial findings are less definitive. The defining electrocardiographic feature is the absence of persistent ST…

…Presentation and Symptoms The characteristic symptom prompting activation of the STEMI pathway is ischaemic type chest discomfort, although dyspnoea may also be a presenting feature…

…angiogenic signalling. A central biochemical feature is an imbalance between antiangiogenic and angiogenic factors. Placental production of soluble fms like tyrosine kinase 1 increases, whereas…

…superimposed on the patient's baseline cardiovascular state. For instance, a patient with stable CAD may present with clinical manifestations of myocardial ischaemia following an…

…A single central feature is enough to proceed with urgent investigation , and a normal CT of the brain does not exclude an infarction in the…

…leads generally indicates very severe ischemia [15]. A key distinguishing feature of ischemic ST elevation is the presence of prominent reciprocal ST depression [4]. Furthermore…

…vein thrombosis with post thrombotic syndrome. Differential diagnosis Feature Venous ulcer Arterial ulcer Diabetic foot ulcer : : : : Site Gaiter area, above the medial malleolus Toes, heel…

…beds. Malignant hypertension represents an extreme form in which acute microvascular injury occurs, classically involving fibrinoid necrosis of small arteries in the kidneys, retina, and…

…Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a hepatic protein that regulates the availability of the low density lipoprotein receptor (LDL receptor) on hepatocytes…

…skeletal muscle, a pharmacological feature that may limit muscle related toxicity despite bempedoic acid acting within the same broad cholesterol synthesis pathway as statins. The…

…the most distinguishing feature was the characteristic ST segment elevations in leads V1–V3. Prevalence and genetics of Brugada syndrome The prevalence of Brugada syndrome…

…this: an ECG can be fed directly into a classifier with no human feature extraction, in principle delivering LVEF's practical advantages with better discrimination…