16 träffar

ArticleEchocardiography
Aortic stenosis

…As the area is reduced, transvalvular flow resistance increases. This results in increased left ventricular load, while simultaneously affecting systemic perfusion. Aortic stenosis is a…

ArticleArrhythmias and arrhythmology
Sinus node dysfunction (SND) and sick sinus syndrome (SSS)

…article. A rehearsal follows. Reversible causes of sinus node dysfunction Age related degenerative disease (development of fibrosis) of the sinoatrial node. Myocardial ischemia/infarction. Perimyocarditis…

ArticleEchocardiography
Mitral regurgitation

…supply from one coronary artery (Coronary arteries). Chronic myocardial ischemia may also lead to left ventricular dilation, which is referred to as ischemic cardiomyopathy (Dilated…

ArticleArrhythmias and arrhythmology
Acquired QT Prolongation and Drug-Induced Arrhythmia

…by a PVC, which serves as the first beat of the polymorphic VT. Sustained episodes may eventually degenerate into ventricular fibrillation (VF). Proarrhythmia, defined as…

ArticleEchocardiography
Tricuspid regurgitation (TR/TI)

…drug addicts). Myxomatous degeneration. Rheumatic heart disease. Dilatation of the right ventricle. Dilatation of the right atrium. Pulmonary hypertension. Left to right shunt. Right ventricular…

ArticleCardiology
Refractory Angina: Options When Standard Therapy Fails

…venous haemodynamics. Neuromodulation of cardiac pain signalling. Experimental angiogenic or regenerative strategies. The syndrome is clinically important not only because of persistent symptoms, but also…

ArticleCardiology
Antiarrhythmic drugs in ventricular tachyarrhythmias

…h. Classification of ventricular tachycardia (VT). ECG showing polymorphic ventricular tachycardia degenerating into ventricular fibrillation. By Bagnall et al: BMC Medical Genetics 15 (2014): 99…

ArticleCardiology
Management of bradycardia (bradyarrhythmia)

…and vice versa. The pathophysiological explanation for this may be a general degeneration of the atrial conduction system. Individuals with atrial fibrillation and bradycardia have…