R. ASENJO G. et al.Figura 10. MP DDD: falla <strong>de</strong> captura <strong>en</strong> aurícula y v<strong>en</strong>trículo <strong>de</strong> 5 s <strong>en</strong> paci<strong>en</strong>te con FA sometido a CVE.CDI y electrodos, <strong>en</strong> posición antero-posterior.Debe t<strong>en</strong>erse <strong>en</strong> cu<strong>en</strong>ta que luego <strong>de</strong> la <strong>de</strong>scargapue<strong>de</strong> haber aum<strong>en</strong>to transitorio <strong>de</strong>l umbral <strong>de</strong>estimulación (Figura 10), lo que pue<strong>de</strong> g<strong>en</strong>erarasistolía <strong>en</strong> paci<strong>en</strong>tes sin ritmo propio. Esto g<strong>en</strong>eralm<strong>en</strong>tedura algunos segundos, pero si semanti<strong>en</strong>e se <strong>de</strong>be usar MP externo mi<strong>en</strong>tras sereprograma el MP.Manejo postoperatorioEl paci<strong>en</strong>te <strong>de</strong>bería estar monitorizado durantetodo el período postoperatorio, hasta que el dispositivohalla sido interrogado y estemos seguros <strong>de</strong> su bu<strong>en</strong>funcionami<strong>en</strong>to, o se hallan restablecido las funcionespreviam<strong>en</strong>te inhabilitadas por efecto <strong>de</strong> interfer<strong>en</strong>ciaselectro-magnéticas, reprogramación o uso <strong>de</strong>l imán.REFERENCIAS1. Hayes DL, Lloyel MA, FriedmanPA. Cardiac Pacing andDefibrillation: a Clinical approach.Futura Publishing Co. 20002. As<strong>en</strong>jo R. 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