…are caused by calcification of the aortic valve. Calcification has traditionally been considered a passive degenerative process, but emerging evidence suggests it is propelled by…

…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…

…Myocardial infarction, coronary artery disease, left ventricular hypertrophy, dilated cardiomyopathy, hypertrophic cardiomyopathy, degenerative disease, hypertension, hyperkalemia, myocarditis, and amyloidosis may all cause LAFB. Prognosis of…

…Table 1. Causes of mitral regurgitation Degeneration, prolapse DCM (dilated cardiomyopathy) Ischemic heart disease (coronary heart disease) Rheumatic valve disease Endocarditis Congenital mitral regurgitation Amyloidosis…

…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…

…cavity and affect heart valves that have some kind of damage, change or degeneration. Endocarditis with alpha streptococcus is most often subacute and can develop…

…anomaly (Figure 1). Carcinoid heart disease. Endocarditis (common in intravenous drug addicts). Myxomatous degeneration. Rheumatic heart disease. Dilatation of the right ventricle. Dilatation of the…

…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…

…than asymptomatic lesions. Predisposing conditions Aortic dissection and its variants are associated with conditions that cause medial degeneration or increase aortic wall stress. Relevant associations…

…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…

…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…

…etc.). The results were as follows: 73% were caused by ventricular tachyarrhythmias, of which 45% were VT degenerating into VF. 27% were caused by bradyarrhythmia…

…ARVC can, however, cause ventricular tachycardia, which may degenerate into ventricular fibrillation at any age. Exercise, or any other activity causing adrenergic stimulation, increase the…

…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…

…longer the duration of cardiac arrest, the greater the likelihood of a shockable rhythm degenerating into asystole or PEA. Neurological function after cardiac arrest Neurological…

…the duration of VF is prolonged, the amplitude gradually diminishes and fine VF (small fibrillatory amplitudes) ultimately degenerate into asystole. The gradual progression from coarse…