Haemodynamic bradycardia in tachycardiomyopathy
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Haemodynamic bradycardia in tachycardiomyopathy
A 44-year-old man presented with a 6-month history of progressive dyspnoea (NYHA class III). The electrocardiogram showed sinus rhythm with continuous short runs of atrial tachycardia resulting in a heart rate of 200 beats/min (Fig. 1a). An echocardiogram demonstrated left ventricular dilatation and a reduced ejection fraction of 15–25%. During runs of atrial tachycardia, the mitral valve faile...
متن کاملTachycardiomyopathy
Introduction Sustained chronic tachyarrhythmias often cause a deterioration of cardiac function known as tachycardia-induced cardiomyopathy or tachycardiomyopathy.1 It has been recognized that the tachycardiomyopathy occurs in experimental models2 and also in patients with supraventricular or ventricular tachycarrhythmias.3-6 Generally, cardiac function will recover if drug or catheter ablation...
متن کاملTachycardia-induced Cardiomyopathy (Tachycardiomyopathy)
The term tachycardia-induced cardio-myopathy or tachycardiomyopathy refers to impairment in left ventricular function secondary to chronic tachycardia, which is partially or completely reversible once the tachyarrhythmia is controlled. Tachycardia-induced cardiomyopathy has been shown to occur both in experimental models and in patients with incessant tachyarrhythmia. Data from several studies ...
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The prognosis of dilated cardiomyopathy is generally poor. In the vast majority of cases the cause of the ventricular dysfunction is irreversible but occasionally potentially curable causes are identified. Tachycardiomyopathy is a rare and potentially treatable cause of heart failure. A patient with a particularly severe case who had an excellent outcome is presented.
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ژورنال
عنوان ژورنال: Netherlands Heart Journal
سال: 2011
ISSN: 1568-5888,1876-6250
DOI: 10.1007/s12471-011-0146-9