…of infection. Indications Infusion of vesicant solutions: vasopressors, concentrated potassium, cytotoxic drugs, parenteral nutrition. The need for several simultaneous, incompatible infusions. Haemodialysis, plasmapheresis or other…

…etc .) are warranted. Management of AV blocks aims to restore atrioventricular conduction either pharmacologically or by means of artificial pacemakers. Both methods may be used…

…to try yet another dose. Chronotropic support is given as an infusion of isoprenaline, adrenaline or dopamine according to local practice, and does not replace…

…Other microorganisms, generally, cause subacute endocarditis. Endocarditis can affect native (own) valves and valve prostheses. As always, foreign materials pose a high risk of infection…

…Lathundar Key messages Two things set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood…

…modification of loading, eccentric exercise, an NSAID, an orthosis — has not given a sufficient effect. Contraindications Absolute: Cellulitis, a skin wound or other infection over…

…and other viral respiratory infections. However, in some individuals the infection may be severe and deadly. Importantly, COVID 19 has caused an unprecedented number of…

…Figure 1. Flowchart showing the natural course of coronary artery disease and classification of acute coronary syndromes into STEMI, NSTEMI and unstable angina using ECG…

…II and III would have been displayed next to each other, the T wave inversion in lead III would not be consistent with the upright…

…abdominal pain or a rapid deterioration in general condition may be the only signs of infection. Corticosteroids and other immunosuppressive treatments can blunt the febrile…

…operative assessment, or evaluation of other atherosclerotic disease. Routine population screening is not recommended because the prevalence of severe asymptomatic stenosis is low, screening has…

…or severe coronary or valvular disease Recent (<48 hours) use of dipyridamole or dipyridamole containing medications Ingestion of caffeinated foods or beverages within 12 hours…

…or other conduction defects. However, in rare instances, it may be due to pre excited atrial fibrillation (i.e. atrial fibrillation with impulses conducted via…

…increases the quality of the examination, and allows for standardized comparisons of serial examinations. If pathology is discovered during the standard examination, other examinations (which…

…7 days or doxycycline 200 mg × 1 on day 1, then 100 mg × 1 5–7 days Epiglottitis and other severe upper airway infection cefotaxime…

…Use of cannabis, electronic cigarettes or other inhaled products. Readiness to attempt cessation. Depression, schizophrenia, schizoaffective disorder, HIV infection or other circumstances that may affect…

…of whether its other parts are above the baseline. T wave inversions are frequently misunderstood, particularly in the setting of ischemia. Normal T wave inversion…

…Parenteral thiamine early , preferably before or at the same time as carbohydrate administration. 3. Rapid identification of seizures, delirium tremens, infection, trauma and metabolic disturbance…

…ischaemic electrocardiographic changes during rapid AF. ST segment depression or T wave inversion can occur without coronary artery disease. Proposed explanations in the source material…

…compression. Infection in the skin overlying the puncture site. Previous pelvic irradiation on the intended side (yields fibrotic, unrepresentative marrow — choose the other side). A…

…or polypoid intraluminal mass and lesion haziness raise suspicion of thrombus, although haziness is not specific. Intravascular imaging can identify plaque disruption, thrombus and other…

…requiring dialysis is uncommon except in the presence of substantial pre existing CKD, particularly when congestive heart failure or other causes of ischaemic AKI coexist…

…drinks weekly in females or at least 15 drinks weekly in males, or binge drinking in either sex. Other definitions of unhealthy drinking include at…

…sick sinus syndrome or high grade AV block without pacemaker protection. Asthma and other marked obstructive airways disease — relative; the risk of bronchospasm is real…

…closer monitoring — the patient cannot feel pressure injury Peripheral neuropathy of other cause As above Severe pain Titrate the pressure up gradually Rheumatoid arthritis with…

…treatment or marked coagulopathy. A platelet count below 50 × 10⁹/L is often quoted as the threshold, but the threshold varies between regions. Infection of…

…dissection or other vascular pathology CT perfusion Used with an unclear time of onset, a late time window, or when thrombectomy can start at the…

…the extracellular space via washout, enzymatic degradation to inosine, phosphorylation to AMP, and reuptake into cells through a nucleoside transport system. Because of these highly…

…required because blood causes strong backscatter of the light signal. Imaging is therefore typically performed during contrast injection or another method of temporary blood displacement…

…ventricular tachycardia, which may degenerate into ventricular fibrillation at any age. Exercise, or any other activity causing adrenergic stimulation, increase the risk of syncope, ventricular…

…whole length of the abscess or at least half its diameter. Too small an incision is the commonest technical error. 4. Cut straight into the…

…disorder may manifest with any of the following symptoms: Syncope, pre syncope Ventricular tachycardia Ventricular fibrillation Cardiac arrest with or without sudden cardiac death Hence…

…eGFR of 30 40 mL/min for lower urinary tract infection. At an eGFR <30 mL/min the antibacterial effect is lost. Dosed independently of…

…after a life threatening ingestion of a highly toxic substance, where the patient arrives within about 1 hour (a liquid preparation) or 2 hours (tablets…

…cribriform plate into the cranium Absolute Corrosive injury of the oesophagus or stomach after ingestion of a caustic substance Absolute Choanal atresia or an occluded…

…safe triangle (Figure 1). Outside it the risk of injuring the diaphragm, liver, spleen or internal thoracic artery increases. For diagnostic aspiration the point chosen…

…should be utilized. The cannula is inserted into the 4th or 5th intercostal space along the anterior axillary line. Thoracostomy This method is generally deemed…

…Infection or burns over the puncture site. Osteogenesis imperfecta and severe osteoporosis (relative). An inability to identify the landmarks. Choice of vein and cannula size…

…first. Procedure Choice of insertion site The left lower quadrant is the first choice : the abdominal wall is thinner there than on the right, and…

…larger , since a mask that is too small leaks and gives a poorer seal. Procedure Insertion of the laryngeal mask 1. Check the mask, remove…

…mouthful of water and hold it. Advance the electrode at the very moment the patient swallows — the pharyngeal muscles then guide the tip into the…

…aortic balloon pump. Assessment of stroke volume variation as part of fluid management. Contraindications Infection, burn or trauma over the insertion site. Insufficient collateral circulation…

…Injection into an arm with a dialysis fistula. Preparation and equipment Hand disinfection; gloves where there is a risk of blood contact. An alcohol or…

…gradual inversion of the T waves. These T waves are called post ischemic T waves and they indicate that the infarction process is more or…

…loosened or avulsed nail plate, or a damaged nail fold edge Nail avulsion and inspection of the nail bed, with suture of any nail bed…

…usually visible on plain films. Irrigation fluid: a copious volume of drinking quality tap water or sodium chloride 9 mg/mL. The volume matters more…

…insufficiency in pituitary disease, after pituitary surgery or radiotherapy, or with suspected suppression of the HPA axis after long term glucocorticoid treatment. A basal morning…

…and respiratory acidosis, or a markedly increased work of breathing with impending exhaustion. Threatened airway obstruction: inhalation injury, anaphylaxis, deep neck infection, an expanding haematoma…

…Time to onset of action 1 to 2 minutes Duration of action 10 to 30 minutes Delivery IV Dose Bolus injection : 5 to 15 mg…

…a large change in TSH. During acute illness the TSH can be falsely low or high in the absence of thyroid disease; repeat it once…

…intrauterine device or a pessary. Assessment of prolapse. Sampling for a suspected sexually transmitted infection — although chlamydia and gonorrhoea can be tested on urine or…

…or an intracranial aneurysm Contact the responsible specialist An aortic aneurysm 6 cm Relative — avoid forced manoeuvres An ongoing respiratory infection with a risk of…

…Which of the following describes a 'Black athlete repolarization variant' considered a normal ECG finding? A: T wave inversion in leads V1 V3 in athletes…

…increase the entry of salicylate into the central nervous system. Discuss the case early with the poison control centre and with anaesthesia or intensive care…

…have diathermy or aluminium chloride available. Infection in the area to be biopsied. Hypersensitivity to local anaesthetics. Areas at high risk of unsightly or hypertrophic…

…as part of the diagnostic work up. Haemarthrosis after trauma. A symptomatic effusion causing pain or restricted movement (therapeutic aspiration). Intra articular corticosteroid injection in…

…Injection of contrast media into the ventricle will instead reveal that the apical portion of the left ventricle is dilated (hence the term apical ballooning…

…healing Ear canal stenosis or exostoses Narrow and hard to reach Ongoing otitis externa Pain, spread of infection A small or uncooperative child Movement causes…

…of the medulla result in the blood pressure lowering effect. Effects Potent blood pressure lowering effect. Pain relief. Delivery IV, IM, PO, transdermal Dose Injection…

…total obliteration of affected vessels. Genetic, molecular, and acquired factors may interact in its development. PAH may be idiopathic, heritable, drug associated, or associated with…