…the most stable dressing, lowest risk of infection and thrombosis with prolonged dwell time Highest risk of pneumothorax, the vessel cannot be compressed after arterial…

…choice of device therapy and also suggest whether other interventions (e.g. heart failure management, evaluation for coronary artery disease, etc .) are warranted. Management of…

…working, and the commonest source of error is believing that it is. Twitching of the chest muscles and spikes on the screen mean nothing. Capture…

…foreign materials pose a high risk of infection. Approximately 20% of all endocarditis affect people with valve prostheses and among other cases 18% show significant…

…set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood gas determines the need for…

Procedurer A corticosteroid injection into soft tissue gives rapid but time limited pain relief and rarely alters the natural history of the disease. In lateral…

…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…

…will experience severe chest pain due to the abrupt reduction of coronary blood flow. Acute coronary syndromes are subdivided into STE ACS and NSTE ACS…

…next to each other, the T wave inversion in lead III would not be consistent with the upright T waves in leads I and II…

…the only signs of infection. Corticosteroids and other immunosuppressive treatments can blunt the febrile response. A neutropenic patient with a suspected infection and organ dysfunction…

…peripheral artery disease (PAD), and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack…

…severe hypotension, or high degree AV block. Caffeine and other methylxanthines, which antagonize adenosine receptors, should be avoided for at least 12 hours before testing…

…seconds. Case reports have indicated that the risk of high degree AV block and ventricular arrhythmias is greater in patients on digoxin or verapamil, although…

…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…

…then 100 mg × 1 5–7 days Epiglottitis and other severe upper airway infection cefotaxime 1–2 g × 3 IV Depends on the diagnosis Always…

…infection or other circumstances that may affect cessation or treatment monitoring. Single question screening can identify unhealthy drug use requiring counselling regarding cardiovascular effects and…

…T waves are seen after periods of ischemia, after infarction and after successful reperfusion (PCI). Post ischemic T wave inversion is caused by abnormal repolarization…

…of seizures, delirium tremens, infection, trauma and metabolic disturbance. 4. Monitoring at the appropriate level of care , with readiness for respiratory support. 5. Treatment of…

…itself. It may cause symptoms and impaired quality of life, contribute to heart failure, and increase the risk of stroke and other thromboembolic events. Subclinical…

…Clean the skin and apply the drape. Anaesthetise skin, subcutaneous tissue and then the periosteum at several points around the puncture site , and wait a…

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

…with several simultaneous renal insults. Infection, hypovolaemia, cardiac dysfunction, haemodynamic instability, anaemia and other nephrotoxic exposures may contribute to tubular injury, making attribution to contrast…

…drinking in either sex. Other definitions of unhealthy drinking include at least two drinks daily in women or three in men, or at least four…

…obstruction of the bowel or the urinary tract. Marked bradycardia, sick sinus syndrome or high grade AV block without pacemaker protection. Asthma and other marked…

…failure — compression of both legs acutely increases preload. Untreated deep vein thrombosis in the acute phase. Septic phlebitis, ongoing soft tissue infection with systemic involvement…

…another CNS infection. Suspected inflammatory disease: multiple sclerosis, Guillain–Barré syndrome, autoimmune encephalitis. Meningeal carcinomatosis and CNS involvement in haematological malignancy. Investigation of dementia with…

…done without losing time. 7. Perform urgent CT of the brain and CT angiography from the aortic arch to the vertex. 8. Contact the thrombectomy…

…and reuptake into cells through a nucleoside transport system. Because of these highly efficient elimination pathways, adenosine has an extremely short elimination half life of…

…recognition of edge dissection, tissue prolapse, thrombus, or other acute complications; investigation of restenosis and stent thrombosis. Intravascular imaging may also clarify the mechanism of…

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

…inflamed tissue — the acidic environment inactivates the anaesthetic. Place a field block in healthy skin around the abscess instead of injecting into it, and expect…

…atypical chest pain (30%) and dyspnea (10%). The major ECG findings in ARVC are T wave inversion in V1–V3 (in the absence of right…

…tract infection. At an eGFR <30 mL/min the antibacterial effect is lost. Dosed independently of renal function Doxycycline, erythromycin, clindamycin, metronidazole, moxifloxacin and fusidic…

…reaches hospital early. The benefit of both methods falls steeply with the time since ingestion, and both can harm the patient through aspiration. Contact your…

…passages and choose the more patent one. Ask the patient about a previous nasal fracture or unilateral nasal obstruction. 2. Measure the depth of insertion…

…the basis of percussion and a chest radiograph alone belongs to an earlier era. The needle is inserted close to the upper border of the…

…lack of lung tissue) and its impact on cardiac function. Clinically, patients may present with: Absent breath sounds on the affected side Crepitus Subcutaneous emphysema…

…in three lengths: short for children and slim limbs, medium for most adults, long for thick soft tissue and for the head of the humerus…

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

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

…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…

…anaesthetic also improves the chance of success by counteracting vascular spasm. Pressure monitoring set: stiff, short tubing, a transducer, and a flush system with physiological…

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

…elevations are succeeded by gradual inversion of the T waves. These T waves are called post ischemic T waves and they indicate that the infarction…

…digital block Anaesthetise from the dorsal aspect, one injection medial and one lateral to the base of the phalanx, 2–3 mL on each side…

…The commonest cause of wound infection is retained contamination, not poor suture technique — and the commonest cause of permanent loss of function is a tendon…

…The test measures the ability of the adrenal cortex to respond to maximal ACTH stimulation, and it is rarely the injection itself that determines whether…

…a rising pCO₂ and respiratory acidosis, or a markedly increased work of breathing with impending exhaustion. Threatened airway obstruction: inhalation injury, anaphylaxis, deep neck infection…

…Dose Bolus injection : 5 to 15 mg every 5 to 15 minutes as necessary. Continuous infusion: Start infusion at 0.1 mg/min and increase…

…0 mmol/L Triglycerides < 1.7 mmol/L 10 carries a risk of pancreatitis Cardiac markers and coagulation Test Reference Comment : : : High sensitivity troponin…

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

…respiratory infection with a risk of transmission Until symptom free Haemoptysis of unclear cause Until investigated Relative obstacles also include dementia, marked hearing loss and…

…elevation followed by T wave inversion in leads V1 V4 in black athletes. C: PR interval <120 ms with a delta wave and wide QRS (…

…a marked risk of aspiration, or failure that is not rapidly reversed by an antidote B Respiratory rate, saturation, chest movement and a blood gas…

…report. A shave biopsy of a pigmented lesion that turns out to be a melanoma can make the Breslow thickness unmeasurable and staging therefore impossible…

…hold the needle still, change the syringe and inject. The injection should go in easily. Resistance means the tip is in tissue, not in the…

…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…

…5 cm into the ear canal, not beyond the hair bearing skin. 5. Direct the jet upwards and backwards along the superior wall of the…

…transdermal Dose Injection IV: • 150 μg in 1 ml vial. Dilute with 10 ml of normal saline and give by slow injection over 5…

…studies of pulmonary arterial hypertension (PAH). The threshold is not absolute: patient phenotype, risk factors for heart failure with preserved ejection fraction, echocardiographic findings, and…