…focal arterial lesions. Although epicardial coronary arteries are a major site of disease, atherosclerosis is systemic and may affect multiple arterial territories. The arterial wall…
60+ träffar
…focal arterial lesions. Although epicardial coronary arteries are a major site of disease, atherosclerosis is systemic and may affect multiple arterial territories. The arterial wall…
…been identified as important risk factors. Severe atherosclerosis of the axillary or subclavian arteries may increase the risk of embolization. Risk assessment should be individualized…
…Historically viewed as a simple plumbing problem characterized by the gradual accumulation of inert cholesterol debris, modern vascular biology has redefined atherosclerosis as a dynamic…
…major modifiable driver of atherosclerosis and cardiovascular disease. Its relationship with cardiovascular risk is nonlinear: even light smoking carries a substantial proportion of the excess…
…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…
…artery disease (CHD) are synonyms. These terms refer to symptomatic coronary atherosclerosis. Traditional classification of coronary artery disease Traditionally, coronary artery disease has been classified…
…artery disease (CHD) are synonyms. These terms refer to symptomatic coronary atherosclerosis. Traditional classification of coronary artery disease Traditionally, coronary artery disease has been classified…
…Other anti inflammatory strategies have produced less favourable results. Canakinumab, a monoclonal antibody directed against interleukin 1β, provided proof of concept but was not…
…and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes use ATP (adenosine…
…Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia, arterial entrapment, cystic adventitial disease and trauma. Atherosclerotic PAD is a manifestation of systemic arterial disease rather…
…from the causal role of low density lipoprotein cholesterol (LDL C) and other apoB containing lipoproteins in atherosclerotic cardiovascular disease (ASCVD). Atherosclerosis develops through the…
…ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are revascularization procedures. Both…
Myocardial ischemia and infarction Definition and Pathophysiology Left main coronary artery disease (LMCAD) refers to atherosclerotic narrowing of the left main coronary artery, which supplies…
…50 years for researchers to finally conclude that high cholesterol levels caused coronary artery disease and atherosclerosis in general. This required thousands of observational studies…
…infarction Definition and Pathophysiology Type 2 myocardial infarction (MI) is defined as an ischaemic myocardial injury occurring in the context of a mismatch between myocardial…
…microvascular disease and vasospasm may coexist with atherosclerosis or may be the dominant cause of ischaemia. Other mechanisms capable of obstructing coronary arteries include embolism…
…assessment of cardiac inflammation, infective endocarditis, and cardiac amyloidosis using appropriate radiopharmaceuticals. Functional perfusion imaging primarily identifies haemodynamically important disease. Non obstructive coronary atherosclerosis not…
…obesity, smoking and other conventional risk factors, together with diabetes specific vascular and metabolic abnormalities. Diabetes is associated with inflammation, thrombosis and accelerated atherosclerosis. In…
…have more atherosclerosis (both in frequency and severity) which may compensate for the inability to reach their maximal heart rate. Ultimately, the specificity of exercise…
…whereas others have brief or asymptomatic episodes that are not detected during routine clinical assessment. The clinical burden of AF does not reliably predict stroke…
…central clinical danger is progressive aortic wall disruption, rupture and compromise of branch vessels. Type A disease may cause cardiac tamponade, severe acute aortic regurgitation…
…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…
…definitions of acute coronary syndromes (ACS) and acute myocardial infarction (AMI) Acute coronary syndromes occur when atherosclerotic plaques disrupt, resulting in the activation of thrombocytes…
…myocardial necrosis. It most commonly reflects atherothrombosis: disruption of an atherosclerotic plaque followed by platelet activation and coagulation, with formation of an intraluminal thrombus. The…
…artery bypass grafting (CABG) Types 4b and 4c fulfil the criteria for type 1 MI because they represent coronary atherothrombotic events in the setting of…
…JAMA): [...] Of every 10 such victims, the heart in 6 or 7 showed no recent disease in coronary arteries or in heart muscle. In other…
Cardiology Definition and purpose Cardiovascular risk assessment estimates an individual’s probability of experiencing cardiovascular disease (CVD) over a defined period. SCORE2 and SCORE2 Older…
…the other arm. 2. Ankle pressure. Place the cuff just above the malleoli, with its lower edge about 2 cm above the tip of the…
…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…
…ECG changes and symptoms. Troponins and other biomarkers of myocardial necrosis (infarction) Myocardium can endure 20 to 30 minutes of complete ischemia. After this period…
…is the principal therapeutic target in lipid management because LDL and other apolipoprotein B containing lipoproteins play a causal role in atherosclerotic cardiovascular disease (ASCVD)…
…zone. Coronary Occlusion and Myocardial Injury STEMI generally results from abrupt reduction in coronary blood flow caused by thrombotic occlusion of a previously atherosclerotic artery…
…agents that inhibit other platelet pathways. The distinction between primary and secondary prevention is fundamental: Primary prevention refers to individuals without established atherosclerotic cardiovascular disease…
…with or without other LDL C lowering drugs, when additional LDL C reduction is required, including in patients with atherosclerotic cardiovascular disease (ASCVD) or heterozygous…
…characterized by persistently elevated plasma low density lipoprotein cholesterol (LDL C) from early life and a consequent excess risk of premature atherosclerotic cardiovascular disease (ASCVD)…
…Coronary compression and a Venturi or “suction” effect have been proposed as mechanisms of inducible ischaemia. The functional impact depends on the bridge’s thickness…
…generally younger than those with atherosclerotic non ST elevation acute coronary syndromes. Cigarette smoking is a prominent association, whereas other conventional coronary risk factors may…
…cardiac arrest. Most of these have atherosclerotic heart disease (coronary artery disease) as the underlying cause. Other common causes are cardiomyopathy (hypertrophic or dilated), arrhythmogenic…
…often female than patients with atherosclerotic mediated myocardial infarction. A history of cigarette smoking may be present despite relatively few other conventional atherosclerotic risk factors…
…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…
…and other symptoms may occur without chest pain and should be considered anginal equivalents. The emergency evaluation of non traumatic chest discomfort is structured around…
…remains the foundation of lipid lowering treatment for patients with chronic coronary syndrome, acute coronary syndrome (ACS), atherosclerotic peripheral arterial disease, and other very high…
…The underlying process usually involves acute thrombotic obstruction of an epicardial coronary artery. A vulnerable atherosclerotic plaque and thrombogenic blood interact to initiate and extend…
…platelet rich because they form under high shear conditions. Disruption of an atherosclerotic plaque or injury associated with PCI exposes thrombogenic material, promoting platelet activation…
…87 95% confidence interval: 0.79–0.96 P = .004 Other summaries of the trial describe a 14% reduction in the same composite outcome…
…of physiological stress, but it may also occur at rest or remain clinically silent. The underlying coronary disease may be obstructive or non obstructive. Atherosclerotic…
…It may be broken, as in Figure 1 . Any type of infarction may cause pathological R wave progression. However, the specificity for pathological R wave…
…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…
…and other relevant information for the drug Ticagrelor . Table 1 Summary Indications Ticagrelor, in combination with acetylsalicylic acid (ASA), is indicated for the prevention of…
…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…
…begins in parallel with the diagnostic work up. Obtain an interpretable 12 lead ECG within 10 minutes of first medical contact, attach continuous rhythm monitoring…
…history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre. Indications Brief attacks of vertigo, seconds…
…NSAIDs). Other contraindications: Hemophilia. Thrombocytopenia. Active gastric or duodenal ulcers. Liver cirrhosis. Severe heart failure. Doses 100 mg/day during the third trimester of pregnancy…
…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…
…severe hypertension. The decision to lower BP in acute stroke requires attention to the type of stroke and the possibility of thrombolytic treatment. Cardiac and…
…beats per minute. Note that with a paper speed of 25 mm/s, which is standard in the US and many other countries, a 2…
…cancel each other out. However, the ECG may show features characteristic of biventricular hypertrophy. Biventricular hypertrophy ECG In case the ECG or other examinations suggest…
…myocardial ischemia. Other symptoms include dyspnea, pain radiating to the left arm/shoulder/throat, palpitations, back pain and selected cases of upper abdominal pain. An…
…distinct flow (almost 5 m/s) directed away from the transducer during systole (systole starts at the peak of the R wave on the electrocardiogram…
…tomographic images of the left ventricle. In PET (Positron Emission Tomography), radiotracers emit positrons. When a positron collides with an electron, they annihilate each other…