ECG Pacemaker malfunction, troubleshooting and ECG Conventional surface ECG can reveal the following types of pacemaker dysfunction: Failure to capture (FTC) , which means that the…

…factor]) which stimulate nearby arteries to grow new vessels into the ischemic zone. Newly formed vessels, which may originate from other branches of the same…

…should lead to suspicion of ischemia (if the patient has symptoms consistent with ischemia). The same is true for artificial pacemakers (virtually all pacemakers stimula

…of ischemia (but the sensitivity is low). U wave changes always accompany other ischemic ST T changes. They may occur in both NSTEMI and STEMI…

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

…Interference with Platelet Function Test for Heparin Induced Thrombocytopenia (HIT): False negative results in platelet function tests (including HIPA test) for HIT have been reported…

…Familial and genetic screening in cardiovascular medicine is the systematic assessment of relatives and other individuals who may carry an inherited predisposition to cardiovascular disease…

…to LDL and other apoB containing particles. Cardiovascular risk categories Primary prevention For adults aged 40–75 years without diabetes and with LDL C between…

…ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes use ATP (adenosine triphosphate) as the primary energy source…

…NSTEMI and unstable angina. Management begins in parallel with the diagnostic work up. Obtain an interpretable 12 lead ECG within 10 minutes of first medical…

…drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre…

…reduce the antiplatelet effect of acetylsalicylic acid. Use with caution in patients on low dose acetylsalicylic acid for cardioprotection. Pharmacokinetic interactions Methotrexate: NSAIDs inhibit tubular…

…cardiovascular death, and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet…

…containing lipoproteins, including: LDL Intermediate density lipoprotein (IDL) Lipoprotein(a) [Lp(a)] Very low density lipoprotein (VLDL) Chylomicrons and other triglyceride rich particles Thus, non…

…only one pathway of platelet activation, its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and…

…two vascular beds. Carotid disease therefore commonly coexists with coronary artery disease (CAD), peripheral artery disease (PAD), and other manifestations of systemic atherosclerosis. The principal…

…not specific for myocardial infarction. Other conditions may produce cardiomyocyte injury and elevated troponin, so biomarker interpretation must be integrated with the clinical history, ECG…

…which demonstrated that high blood pressure and high cholesterol levels, among other risk factors, were strongly associated with coronary artery disease and myocardial infarction. However…

…from selected populations, frequently with low or intermediate ischemic risk and under representation of patients with STEMI or other very high risk features. Noninferiority studies…

…The European definition uses BP ≥180/110 mmHg with acute HMOD, although other guidance emphasizes that no single BP threshold is diagnostically sufficient: the presence…

…arteries. It frequently coexists with left main coronary artery disease, diabetes mellitus, left ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous…

…coronary, cerebrovascular or other peripheral arterial disease, and management should therefore address the entire arterial circulation. PAD is associated with increased cardiovascular morbidity and mortality…

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

…the US and many other countries, a 2:1 block will be difficult to discern because the flutter wave may fuse with the preceding T…

…ECG has low sensitivity with respect to detecting biventricular hypertrophy. This is because the strong and oppositely directed forces tend to cancel each other out…

…is given. An ECG without ischemic ST T changes when recording during chest pain is not consistent with myocardial ischemia. In other words, chest pain…

…two different sets of piezoelectric crystals; one set for sending ultrasound and the other for analyzing reflected sound waves. The cardinal difference between continuous wave…

…administration. Radiotracers with higher levels of redistribution can move from areas of higher concentration to regions with lower concentration, for reasons other than perfusion differences…

…with straight (horizontal, upsloping, or downsloping) or convex ST segment strongly suggest acute transmural ischemia ( Figure 1 A ). Concave ST segment elevations, on the other…

…block: ECG criteria, clinical characteristics and management This chapter discusses third degree AV block, which is synonymous with AV dissociation, complete AV block, AV block…

…expiration, with the tape horizontal and without compressing the skin. Ratios and other measurements Measurement Calculation Threshold : : : Waist–hip ratio Waist / hip Men 0.90…

…creatinine ≥133 µmol/L Rivaroxaban 20 mg once daily with food 15 mg once daily at eGFR 15 49 mL/min Edoxaban 60 mg once…

…of treatment response and measurement of residual disease (MRD). Fever of unknown origin or suspected granulomatous disease with marrow involvement. Work up of unexplained iron…

…is decided before the needle goes in: the choice of site, the use of ultrasound throughout the puncture, and maintaining maximal barrier precautions without shortcuts…

…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…

…half of ocular myasthenia, thereafter MuSK and LRP4 antibodies) and on neurophysiology (repetitive nerve stimulation with a decrement ≥ 10 % at 3 Hz, sensitivity about 75…

…severe piperacillin–tazobactam 4 g × 4 IV Exacerbation of COPD with an indication for antibiotics amoxicillin 750 mg × 3 PO 5–7 days or doxycycline…

…organ damage. Isolated malignant retinopathy without other acute organ damage can often be treated more cautiously with oral drugs under careful observation [3,4]. A…

…meal or with continued glucose administration adapted to the cause. 8. Identify drugs, renal failure, alcohol, a missed meal, physical activity and any other precipitating…

… 2. Is the hyponatraemia acute or chronic? Severe symptoms require immediate treatment with hypertonic sodium chloride, whether the hyponatraemia is acute or chronic. The aim…

…A markedly raised GGT with the other tests normal is most often enzyme induction by alcohol or drugs and is often of no clinical significance…

…Corticosteroids and other immunosuppressive treatments can blunt the febrile response. A neutropenic patient with a suspected infection and organ dysfunction must therefore be managed as…

…overt tamponade with shock there are no absolute contraindications other than the conditions in which the procedure is the wrong treatment : Aortic dissection with haemopericardium…

… use sparingly Prepatellar and olecranon bursitis The bursa Exclude septic bursitis first Injection is considered when 4–6 weeks of adequate conservative treatment — modification of…

…The other predictable error is forgetting that pacing hurts a great deal in a conscious patient. Indications Immediate (transcutaneous) pacing in bradycardia with haemodynamic compromise…

…is disputed and practice differs between units. Poisoning with other weak acids where the poison control centre recommends it, for example certain phenoxy acid herbicides…

…Definition of aortic aneurysm Sinus of Valsalva 45 mm. Any other segment 40 mm in diameter. Thresholds for surgery Threshold for surgery Relevant patient category…

…8% Interpretation of ATRIA risk score. Comparison with other bleeding risk models Several bleeding risk assessment tools exist for patients with AF, including HAS BLED…

…AF patients. Evidence suggests that the increased stroke risk in women is more closely associated with other comorbidities and age rather than sex alone. Consequently…

…widely recognized and validated tool used to assess the one year risk of major bleeding in patients with atrial fibrillation (AF) who are taking anticoagulants…

…HEMORR₂HAGES score. Comparison with ATRIA and HAS BLED Scores Several studies have compared the predictive performance of HEMORR₂HAGES with other bleeding risk assessment tools, notably…

…made worse with talking, laughing, or exertion. It is more common in women than in men and can last for years. ACE Inhibitor Induced Angioedema…

…is generally related to an atherothrombotic event, whereas Types 2–5 MI have other mechanisms of myocardial ischaemia and necrosis. Unstable angina (UA) represents myocardial…

…10% of cases. Intermediate high risk PE occurs in haemodynamically stable patients with both RV dysfunction on imaging and elevated cardiac biomarkers. Intermediate low risk…

…synthesis Electrical channelopathies Oxidative stress Cellular apoptosis and necrosis Progressive structural remodelling Alcohol associated hypertension and atherosclerotic coronary disease In patients with heavy alcohol use…

…cigarette smoking, hypertension, diabetes mellitus and other adverse influences disturb these functions. The resulting endothelial dysfunction promotes inappropriate vasoconstriction, adhesion of circulating cells, inflammatory cell…

…stroke and other thromboembolic events. Subclinical cerebral injury may contribute to vascular dementia, and thromboembolism may affect organs other than the brain. Patients with AF…

…dynamic and may improve or worsen with illness, treatment, or other interventions. Frailty commonly overlaps with multimorbidity and is frequent in patients with cardiovascular disease…

…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…

…an important consideration in older populations. Risk prediction is particularly relevant in adults with elevated blood pressure (BP), in whom absolute cardiovascular risk varies considerably…