Cardiology Myocardial ischemia and infarction Definition and pathophysiology Atherosclerosis is a chronic, inflammatory disease of the arterial wall in which lipid accumulation, vascular cell dysfunction…

…Intra articular corticosteroid injection in verified inflammatory or osteoarthritis related joint disease. Contraindications Infection of the skin or soft tissues over the puncture site — use…

…24 hours is accepted in Swedish practice. The limit is not the clock but the degree of contamination, the depth and site of the wound…

…else is supportive. But the same compression applied to a limb with arterial insufficiency can cause necrosis and, in the worst case, amputation. The decisive…

…with progressive increases in systolic blood pressure (SBP), while diastolic blood pressure (DBP) rises less steeply and may remain stable or decline later in life…

…as individuals at risk in an autosomal dominant family, whereas heterozygous carriers of an X linked condition may develop a phenotype later and require delayed…

…process compared with BMS. Neoatherosclerosis Neoatherosclerosis is a later pathological process in which lipid laden foamy macrophages accumulate within the neointima. It may be accompanied…

…higher prevalence of cardiovascular complications and death than men. Despite the effectiveness of preventive interventions in both sexes, women are less likely to receive statins…

…later. Indeed, a dynamic (varying) ST segment is suggestive of myocardial ischemia. It is wise to connect the patient to continuous ECG (ST) monitoring in…

ECG Myocardial ischemia and infarction The ECG in the assessment of myocardial reperfusion The ECG is an invaluable tool to assess whether an occlusion has…

…considerably thinner in the atria and right ventricle, as compared with the left ventricle. Indeed, the atrial myocardium consists of such a thick layer that…

…at home may be asymptomatic during the assessment in the ER, only to develop severe chest pain and magnificent ST elevations a few minutes later…

…in later chapters. As for now, it is sufficient to note that the more myocardium supplied by an artery, the greater the ischemic area in…

…anticholinergics, opioids and salicylate — where gastric emptying is delayed — may justify charcoal later, in some cases up to 6 hours or more. Discuss this with…

…a thick muscle layer ( myocardium ) and an outer lining ( epicardium ). The myocardium is the thick muscle layer, in which the muscle fibers are organized into…

…to those seen in arteries throughout the circulatory system (Figure 1). The ventricular wall consists of an inner lining (endocardium), a thick muscle layer (myocardium…

…nothing else. The two ways in which casting harms the patient are that it is too tight — the swelling comes after the injury, not before…

…decades later Cohnheim demonstrated that ligation of the left anterior descending artery in dogs resulted in myoardial infarction. An important discovery was reported in 1930…

…orifice. The change in flow profile results in the formation of a hemisphere with several layers. Flow velocity is equal within each layer (Figure 1)…

…disease burden. In untreated HeFH, CAD commonly develops during the third or fourth decade in males and approximately 10 years later in females. Untreated HoFH…

…fibrillation, and cardioversion of fibrillation of unknown duration without anticoagulation can cause a stroke hours to weeks later. Everything else in the procedure is routine…

…vectors to become evident. These vectors manifest in the later part of the QRS complex as an R’ wave (pronounced "R prime"), which is directed…

…the test is then performed with preparedness for anaphylaxis. An untreated Addisonian crisis in progress: treat first, test later. Preparation and equipment Tetracosactide (Synacthen) 0…

…intervention (PCI). They evolved from balloon angioplasty and bare metal stents (BMS) in response to restenosis caused principally by neointimal hyperplasia. Contemporary DES combine a…

…in particular computed tomography (DT) and/or magnetic resonance imaging (MRI). Anatomy of the pericardium The pericardium consists of a parietal layer and a visceral…

…premature complexes are not preceded by P waves because the ectopic impulse originates in the ventricles and does not influence the atria (with exceptions discussed…

…ischemia at later stages, when functional or electrical alterations are evident. Subjective symptoms (i.e. chest pain) appear as the last event in the cascade…

…of withdrawal and the risk of seizures and delirium [1,2]. In delirium tremens the aim should be a calm, mildly somnolent but rousable patient…

…and urine can be saved early for later targeted analysis. Initial monitoring and investigations Investigation Comment : : Plasma glucose Taken immediately and repeated in impaired consciousness…

…instantaneous identification of the initial rhythm ( Thorén et al ). The initial rhythm has immense significance for survival in cardiac arrest, regardless of all other circumstances…

…be short. Structures located far from the transducer will reflect the sound waves later and it will take longer to reach the transducer. Ultrasound waves…

…are reflected back to the transducer. There are two fundamental differences between blood and myocardium in terms of the reflected ultrasound waves. (1) The velocity…

…in endocarditis In 1973, it was the first time to describe how echocardiography (M mode) can be used to diagnose endocarditis. With 2D and later…

…In many parts of the world, the bicycle is preferred over the treadmill, as will be discussed later. Role of the electrocardiogram (ECG) in exercise…

…by eruptive, dense nodular calcifications that break through the intimal layer, provoking localized thrombosis. This is predominantly observed in older patients with heavily calcified, tortuous…

…left untreated in the vast majority of cases (exceptions are discussed later). Second degree AV block Synonyms: AV block 2, AV block II In second…

…the first year, although the available material does not establish a significant increase in late morbidity or mortality attributable to these events. Clinical presentation and…

…of the crystals are materials ( matching layer ) that reduce the difference in impedance between the crystals and the tissue to be studied. Without this layer…