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  • Title: Paradoxical effects of interatrial conduction delay in a hypertrophic cardiomyopathy patient in the long-term: time is a great healer.
    Author: Bauernfeind T, Caliskan K, Vletter WB, Ten Cate FJ, Dabiri L, de Groot N, Jordaens L, Szili-Torok T.
    Journal: J Cardiovasc Electrophysiol; 2011 May; 22(5):587-9. PubMed ID: 20812930.
    Abstract:
    We present a unique case where early proarrhythmic and late antiarrhythmic characteristics of interatrial conduction delay were observed during the long-term progression of HCM. Occurrence of AT constantly increased as the interatrial conduction delay became more prominent, while the P-wave width in sinus rhythm and the AT cycle length both showed an instantaneous increase in parallel. As the interatrial delay reached a critical point, the right and left atrial P-wave became virtually separated, as demonstrated by the findings of ECGs and echocardiography. This phenomenon resulted in the complete cessation of tachycardias.
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