除颤起搏器的临床应用.ppt

http://www.100md.com

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    除颤起搏器的临床应用

    山东省千佛山医院 心内科

    闫素华

    Contents

    * ICD History

    * Basic functions of defib

    * Sensing, detection and therapies

    * ICD indications-who gets one or not

    * Implant procedure-how do we test the device

    .

    Basic Functions of ICD

    * Automatically detect and treat Ventricular Tachycardia (VT)

    * Antitachycardia pacing (ATP)

    * Cardioversion

    * Automatically detect and treat Ventricular Fibrillation (VF)

    * Defibrillation

    * Brady pacing

    * VVI, VVIR, DDDR

    How it works

    * Sensing

    * Detection

    * Therapy

    Three Zone Detection

    * VT

    * FVT

    * VF

    Therapies

    * ATP

    * Burst

    * Ramp

    * Ramp+

    * Cardioversion

    * Defibrillation

    ICD Indications, who gets one or not

    Implant Procedure

    * Insertion of defib leads

    * Test pacing parameters through analyzer of P / R wave, lead impedances, and pacing threshold

    * Connect defib leads with defib box

    * Test pacing impedance, threshold through the box

    * Induce VF, implant success criterion: two consecutive times or 3 out of 4 successful defibrillation, 10 J safety margin.

    * Turn of detection, close the wound

    * Final programming

    http://www.100md.com/html/200901/1471/4614.htm

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