Abstract
Cardiac resynchronization therapy is a non-pharmacological treatment for patients with dilated cardiomyophaty and congestive heart failure. The success of this therapy depends of permanent biventricular stimulation. We report an 84 year-old man, with intermittent loss of biventricular pacemaker stimulation despite having adequate sensing and stimulation thresholds in the right atrium and both ventricles. The problem was solved after correcting some programming parameters.
Highlights
Cardiac resynchronization therapy is a non-pharmacological treatment for patients with dilated cardiomyophaty and congestive heart failure
Los histogramas mostraron sólo 94% de estimulación biventricular desde el implante
Asociado a bloqueo aurículo-ventricular de primer grado, favorece la pérdida de la estimulación biventricular porque el próximo latido auricular sigue cayendo dentro del intervalo PVARP
Summary
Cardiac resynchronization therapy is a non-pharmacological treatment for patients with dilated cardiomyophaty and congestive heart failure. Presentamos el caso clínico de un paciente con miocardiopatía dilatada, enfermedad del nódulo sinusal y bloqueo aurículo-ventricular de primer grado, sometido a terapia de resincronización biventricular, en quien, pese a constatarse adecuado funcionamiento de los electrodos y programación correcta del intervalo aurículo-ventricular, se observó estimulación biventricular intermitente.
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