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Bloqueo auriculoventricular paroxístico desencadenado por estímulo vagal con síncope recurrente / Paroxysmal Atrioventricular Block by the Triggering of Vagal Stimulus with Recurrent Syncopal Episodes
Calandrelli, Matías; Trevisan, Mariano.
  • Calandrelli, Matías; Sanatorio San Carlos. S. C. de Bariloche.
  • Trevisan, Mariano; Sanatorio San Carlos. S. C. de Bariloche.
Rev. argent. cardiol ; 76(2): 148-150, mar.-abr. 2008. ilus
Article in Spanish | LILACS | ID: lil-633991
RESUMEN
El bloqueo auriculoventricular completo (BAVC) paroxístico con ECG de reposo normal es una entidad poco frecuente. Se presenta el caso de una paciente de 34 años que cursaba el segundo mes de embarazo y consultó por cuadros sincopales recurrentes. Luego de ser evaluada con ECG, eco-Doppler cardíaco, tilt test, estudio electroencefalográfico, TAC y RM de cerebro se descartó cardiopatía de base y se interpretó que se trataba de síncope neurocardiogénico. Por persistencia de los síntomas se realizó un Holter de 5 días hasta que presentó un nuevo síncope y se arribó al diagnóstico de BAVC paroxístico. Se indicó un marcapasos definitivo VDD y seis meses después persistía asintomática.
ABSTRACT
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.

Full text: Available Index: LILACS (Americas) Language: Spanish Journal: Rev. argent. cardiol Journal subject: Cardiology / Doen‡as Cardiovasculares Year: 2008 Type: Article Affiliation country: Argentina

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Full text: Available Index: LILACS (Americas) Language: Spanish Journal: Rev. argent. cardiol Journal subject: Cardiology / Doen‡as Cardiovasculares Year: 2008 Type: Article Affiliation country: Argentina