…or unchanged in ischemia. R wave amplitude Acute transmural ischemia may transiently increase the amplitude of the R waves. This is believed to be due…
60+ träffar
…or unchanged in ischemia. R wave amplitude Acute transmural ischemia may transiently increase the amplitude of the R waves. This is believed to be due…
…COPD or another clear risk of hypercapnic respiratory failure 88 to 92 percent No risk of hypercapnia and a normal blood gas Usually 94 to…
…syndrome (ACS) or a prior heart attack and a high risk of developing an atherothrombotic event. Contraindications Hypersensitivity to the active substance or any excipient…
…from: Incomplete penetrance of a variant inherited from a parent. A de novo variant. Less commonly, autosomal recessive inheritance. X linked or other non autosomal…
…of LDL C reduction. Thus, even a modest absolute reduction may be clinically important in individuals at high or very high risk. Prolonged exposure to…
…cardiac myocytes require aerobic metabolism (oxygen) to produce sufficient quantities of ATP. This implies that the heart requires continuous blood flow to maintain cellular function…
…unstable or at marked risk of arrhythmia. 4. Take a full blood count, electrolytes, creatinine, glucose, high sensitivity troponin and, where needed, coagulation tests. Blood…
…test and the absence of other neurological findings. The treatment is a repositioning manoeuvre. Indications Brief attacks of vertigo, seconds to a minute or so…
…administer to patients with a history of asthma, rhinitis, or urticaria triggered by: Acetylsalicylic acid (aspirin). Other non steroidal anti inflammatory drugs (NSAIDs). Other contraindications…
…term interventions intended to reduce recurrent infarction, ischaemic stroke, cardiovascular death, and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular…
…LDL C in many studies, although the relative advantage of apoB over non HDL C or standard lipid testing remains unsettled. In a large population…
…inflammatory drugs Corticosteroid therapy Other antiplatelet or antithrombotic drugs Selective serotonin reuptake inhibitors Patient selection Aspirin should not be prescribed routinely to individuals without established…
…PAD), and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack (TIA) or stroke…
…Myocardial injury leads to release of cardiac troponin, but troponin elevation is not specific for myocardial infarction. Other conditions may produce cardiomyocyte injury and elevated…
…mortality due to stopping statins. There are three main questions discussed in media, blogs and on social plattforms: Is high cholesterol a true cause of…
…contraindication, an indication for oral anticoagulation, or an excessive risk of bleeding. The duration and intensity may be modified according to: bleeding risk; ischemic risk…
…or other vascular beds. Malignant hypertension represents an extreme form in which acute microvascular injury occurs, classically involving fibrinoid necrosis of small arteries in the…
…function and other comorbidities Surgical risk and contraindications to prolonged dual antiplatelet therapy Patient preferences, local expertise and operator or institutional experience Assessment of coronary…
…the presence of multilevel disease and collateral circulation. Flow limitation may be clinically silent, manifest as exertional symptoms, or progress to chronic limb threatening ischaemia…
…for smoking and anticipated barriers to cessation. Exposure to second hand smoke. Use of cannabis, electronic cigarettes or other inhaled products. Readiness to attempt cessation…
…atrial flutter is not capable of persisting for longer periods of time. This is due to the fact that atrial flutter is caused by a…
…tend to cancel each other out. However, the ECG may show features characteristic of biventricular hypertrophy. Biventricular hypertrophy ECG In case the ECG or other…
…of ECG in acute coronary syndromes & chest pain patients An ECG must be performed on all patients seeking medical attention due to chest discomfort or…
…much higher velocitites to be measured. Continuous wave Doppler is therefore not limited by pulse repetition frequency (PRF). Figure 1. The principles of continuous wave…
…Radiotracers are designed to identify ischemic areas of the myocardium by highlighting regions with reduced blood flow. Radiotracers for SPECT Technetium 99m (Sestamibi or Tetrofosmin)…
…repolarization or even early phases of ischemia). To conclude, concave ST segment elevation is atypical of ischemia, but they do not rule out ischemia. Other…
…features of third degree AV block On the ECG P waves have no relation to the QRS complexes. The QRS complexes may be normal or…
…in oedema and ascites, and in people under 18 years of age, where iso BMI or percentile charts should be used. Waist circumference Measure the…
…The other DOACs are possible according to FASS, but the documentation is insufficient; check more frequently. Warfarin is often preferable <15 or dialysis DOACs are…
…Fever of unknown origin or suspected granulomatous disease with marrow involvement. Work up of unexplained iron, B12 or folate deficiency when blood tests are insufficient…
…plasmapheresis or other extracorporeal therapy (requires a large bore dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure and central venous…
…margin must be included in the freeze. Contraindications Absolute: Suspected melanoma or any other pigmented lesion of uncertain diagnosis. A lesion in which histology is…
…photograph or video. 3. Give atropine 0.5 mg intravenously (alternatively glycopyrronium 0.2 mg) to reduce the risk of a cholinergic vagal reaction with…
…4 g × 4 IV Exacerbation of COPD with an indication for antibiotics amoxicillin 750 mg × 3 PO 5–7 days or doxycycline 200 mg × 1…
…Condition Overall strategy Common first choices : : : Acute aortic syndrome Immediate rate control and rapid reduction of the systolic blood pressure towards 100 to 120 mmHg…
…need investigation on the basis of an isolated, asymptomatic low sensor reading alone. Symptoms Autonomic symptoms Early warning symptoms are due to sympathetic activation: sweating…
…management: 1. Does the patient have severe neurological symptoms that may be due to the hyponatraemia? 2. Is the hyponatraemia acute or chronic? Severe symptoms…
…the suspicion to bone, pregnancy or malignancy. A markedly raised GGT with the other tests normal is most often enzyme induction by alcohol or drugs…
…lactate. Add a blood gas, coagulation tests and other investigations according to the clinical picture 5 Take cultures or molecular tests from the suspected focus…
…liver, lung or vessel lies in the path of the needle. Access Puncture site Direction Comment : : : : Subxiphoid 1–2 cm below and to the left
…treatment — modification of loading, eccentric exercise, an NSAID, an orthosis — has not given a sufficient effect. Contraindications Absolute: Cellulitis, a skin wound or other infection…
…preferably anteroposteriorly : one anteriorly over the praecordium to the left of the sternum, the other on the back between the left scapula and the spine…
…oedema and other conditions with a high risk of fluid overload — a relative contraindication requiring invasive monitoring and slower administration. Significant metabolic alkalosis or an…
…or additional risk factors 55 mm (ascending aorta, aortic arch) All individuals 60 mm (descending aorta) All individuals Risk factors : previous dissection, family history of…
…this score aids clinicians in estimating the risk of bleeding complications due to anticoagulants. Components of the ATRIA Score The ATRIA score assigns points based…
…CHA₂DS₂ VASc score. As of 2025, it is recommended to use the CHA₂DS₂ VA score for stroke risk assessment in atrial fibrillation patients. By excluding…
…patients, regardless of the type of oral anticoagulant used. Studies have shown that it performs similarly or superiorly to other bleeding risk assessment tools, such…
…to guide clinicians in balancing estimating the risks of bleeding. Components of the HEMORR₂HAGES Score The acronym HEMORR₂HAGES represents the following parameters: H epatic or…
…transient swelling of the subcutaneous or submucosal tissues, most frequently involving the face, lips, tongue, and upper airway. Due to the risk of airway compromise…
…Types 2–5 MI have other mechanisms of myocardial ischaemia and necrosis. Unstable angina (UA) represents myocardial ischaemia without demonstrable acute cardiomyocyte injury or necrosis…
…when pulmonary vascular obstruction is accompanied by limited cardiopulmonary reserve or other adverse comorbidity. The classification of acute PE comprises four clinically useful groups: High…
…women or five for men on one occasion. Pharmacokinetics and pathophysiology Approximately 95% of ingested ethanol undergoes hepatic metabolism. Alcohol dehydrogenase converts ethanol to acetaldehyde…
…extracellular matrix remodelling, and thrombosis interact to produce focal arterial lesions. Although epicardial coronary arteries are a major site of disease, atherosclerosis is systemic and…
…deterioration or resulted from it. AF has important consequences beyond the arrhythmia itself. It may cause symptoms and impaired quality of life, contribute to heart…
…to people with substantial functional impairment, multimorbidity, or limited life expectancy. Available randomized evidence has not demonstrated that frailty weakens the cardiovascular benefits of blood…
…outcomes. The vast majority of infections with COVID 19 result in mild disease, with symptoms similar to seasonal flu (influenza) and other viral respiratory infections…
…relevant in adults with elevated blood pressure (BP), in whom absolute cardiovascular risk varies considerably according to age and the presence of concomitant risk factors…
…cardiovascular burden of CKD extends beyond CAD to peripheral arterial disease, cerebrovascular disease, valvular heart disease, heart failure, atrial fibrillation, and other arrhythmias or conduction…
…lowering and other guideline directed therapies. Anti inflammatory treatment seeks to reduce this residual risk without necessarily altering lipid concentrations, blood pressure or other conventional…
…revascularization is that untreated, flow limiting disease may continue to cause ischaemia, recurrent symptoms, myocardial infarction, or other major adverse cardiovascular events. Complete revascularization is…