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ARVD Clinical Features.

Arrhythmogenic right ventricular dysplasia (ARVD) is a poorly understood and often underdiagnosed cardiomyopathy.

The disease is characterized by arrhythmic manifestations, possibly due to replacement of myocardium of the right ventricle by fibroadipose tissue. ARVD should be considered as a cause of ventricular tachycardia of left bundle branch block configuration and/or sudden death, particularly during exercise in young subjects. The electrocardiogram (ECG) may show anterior precordial T wave inversion, particularly in lead V2 and/or a QRS complex duration > or = 110 ms in the right precordial leads.

Echocardiographic studies focusing on the size and wall-motion abnormalities of the right ventricle are useful in confirming the diagnosis.
Cinemagnetic resonance imaging demonstrates abnormal fatty infiltration of the right ventricular myocardium and can show increased right ventricular dimensions as well as wall-motion abnormalities. Contrast ventricular angiography remains the gold standard to establish the diagnosis but must be performed with appropriate views and with care to avoid ventricular premature beats (Marcus & Fontaine, 1995).

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Revisor:  Prof. G.A.Danieli.
Last update:  May, 6th, 2003.

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