Resumo

CALANDRELLI, Matías  e  TREVISAN, Mariano. Paroxysmal Atrioventricular Block by the Triggering of Vagal Stimulus with Recurrent Syncopal Episodes. Rev. argent. cardiol. [online]. 2008, vol.76, n.2, pp.148-150. ISSN 1850-3748.

Paroxysmal complete atrioventricular block (CAVB) with normal electrocardiogram at rest is uncommon. A 34 year-old two month-pregnant woman consulted for recurrent syncope. After screening assessment with electrocardiogram, cardiac echo-Doppler, tilt test, electroencephalogram, brain computerized tomography and magnetic resonance imaging, cardiopathy was ruled out and a diagnosis of neurocardiogenic syncope was made. As symptoms persisted, a 5 day-Holter monitoring was performed until she presented a new episode of syncope and paroxysmal CAVB was diagnosed. A definite VDD pacemaker was implanted and six months later she remained free of symptoms.

Palavras-chave : Paroxysmal Complete Atrioventricular Block; Syncope; Pacemaker.

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