…heart failure armamentarium. Its use has declined over time due to the advent of more efficacious agents with wider therapeutic to toxic windows, and its…
21 träffar
…heart failure armamentarium. Its use has declined over time due to the advent of more efficacious agents with wider therapeutic to toxic windows, and its…
…defibrillator; CRT, cardiac resynchronization therapy) are discussed in subsequent chapters. The first part consists of a brief rehearsal of the basics of cardiac automaticity, action…
…respectively. Pharmacokinetics and Administration Technique Adenosine is extensively and rapidly cleared from the plasma by cellular uptake into erythrocytes and vascular endothelial cells. It is…
…scaffold A durable or resorbable polymer coating An antiproliferative drug The drug is delivered from the stent surface and suppresses cellular proliferation and neointimal growth…
…glycolytic activity in relevant renal and cardiovascular cells. These cellular mechanisms remain proposed explanations for observed clinical effects. Cardiovascular and renal disease associations Diabetes substantially…
…functional capacity, and quality of life may be equally important therapeutic objectives. Evidence from randomized trials is often less applicable to very frail or multimorbid…
…mEq/L in 24 hours may be targeted. Chronic Hyponatremia ( 48 hours duration): Due to cellular adaptations, rapid correction carries the risk of inducing osmotic…
…been described in HFpEF, while nitrosative stress and abnormalities of cellular and molecular myocardial function may further impair contraction and relaxation. Structural and vascular consequences…
ECG Myocardial ischemia and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes…
…Aspirate and biopsy answer different questions and do not replace one another: the aspirate shows cellular morphology and provides material for flow cytometry and genetics…
…proteins in the hepatic LDL receptor pathway. Reduced cellular uptake and clearance of LDL leads to increased circulating LDL C. The principal genetic mechanisms involve:…
…Pathologically, infarction represents myocardial cell death caused by prolonged ischaemia. The first cellular abnormalities of ischaemia include depletion of glycogen, relaxation of myofibrils, and disruption…
…implies that the left ventricle dilates, which induces irreversible cellular and extracellular processes that ultimately lead to heart failure. This initially results in greater diastolic…
…range of experimental and clinical studies. The electrical phase and circulatory phase are explained by cellular changes in the myocardium. The last phase is multifactorial…
…causes immense strain on the ventricular myocardium, simultaneously as the cause of the arrhythmia already affects cellular function. This results in electrical instability which explains…
…cardiomyocytes Disruption of intracellular signalling and protein synthesis Electrical channelopathies Oxidative stress Cellular apoptosis and necrosis Progressive structural remodelling Alcohol associated hypertension and atherosclerotic coronary…
…of complete ischemia. After this period the cells die and the cell membranes collapse whereby cellular proteins are released into the circulation. It is possible…
…particularly PDE3 and PDE5, which break down cAMP and cGMP. It also inhibits the cellular reuptake of adenosine into endothelial cells. Further, it inhibits adenosine…
…ventricular contraction. Rapid impulse conduction is crucial; slow spread of the impulse results in temporal dissociation of cellular activation, and thus desynchronization of contraction. Importantly…
…of diminishing ATP concentration in the myocardium. ATP depletion results in cellular dysfunction and renders the defibrillation ineffective. The likelihood of successful defibrillation is high…
…Advanced atherosclerotic plaques contain inflammatory cells, smooth muscle cells, extracellular matrix, lipids and acellular debris. The interplay between inflammation and risk factors (smoking, hypertension, hyperlipidemia…