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Anaesthesiology

Pacemaker and Implantable Cardiac Defibrillator Protocols

Built from Barash Clinical Anesthesia, 9th Edition

What’s inside

8 sections · 85 slides

  1. 01

    Overview

    • Scope of this topic
    • Two device families

    2 slides

  2. 02

    Pacemakers

    • Function of a permanent pacemaker
    • Pulse generator and lead
    • Pacemaker and leads on chest radiograph
    • Sinus node dysfunction as a pacing indication
    • Atrioventricular block as a pacing indication
    • Further conduction indications for pacing
    • Non-conduction indications for pacing
    • Paced rhythm on the electrocardiogram
    • Reading the pacemaker code
    • Generic pacemaker code positions
    • Asynchronous versus demand pacing

    11 slides

  3. 03

    Implantable cardiac defibrillators

    • Structure of an implantable cardiac defibrillator
    • Position of the defibrillator and its electrode
    • Defibrillator generator and lead on chest radiograph
    • Cardiac resynchronisation therapy device
    • Secondary prevention indications for a defibrillator
    • Genetic and syncopal indications for a defibrillator
    • Reading the defibrillator code
    • Generic defibrillator code positions

    8 slides

  4. 04

    Intraoperative problems

    • Electromagnetic interference in theatre
    • Consequences of electromagnetic interference
    • Effects of interference on device behaviour
    • Further device failures reported in theatre
    • Radiofrequency ablation and radiation therapy
    • Interference from the retained-item scanning wand

    6 slides

  5. 05

    Perioperative management

    • Who makes the perioperative device plan
    • Information exchange between the teams
    • Interrogation intervals before surgery
    • Information the anaesthesia team must supply
    • Essential elements of the information given to the device physician
    • Information the device team must return
    • Essential elements of the preoperative device evaluation given to the operative team
    • Reprogramming when interference is likely
    • Magnet response of pacemakers and defibrillators
    • Limitations of magnet use
    • Consequences of inadequate preoperative device assessment
    • Decision pathway for perioperative device management
    • Reading the pacemaker branch of the algorithm
    • Reading the defibrillator branch of the algorithm
    • Risk mitigation strategies in theatre
    • Bipolar versus monopolar electrosurgery
    • Stepwise approach to perioperative management of the patient with a device
    • Stepwise approach to perioperative management of the patient with a device (continued)
    • Stepwise approach to perioperative management of the patient with a device (continued)
    • Stepwise approach to perioperative management of the patient with a device (continued)
    • Stepwise approach to perioperative management of the patient with a device (continued)
    • Footnotes to the stepwise approach
    • Anesthesia device services
    • Findings of the anesthesia device service comparison
    • Requirements for running a device service

    25 slides

  6. 06

    Postoperative follow-up

    • Principles of postoperative device evaluation
    • Specific procedures and recommendations on postoperative device evaluation
    • Specific procedures and recommendations on postoperative device evaluation (continued)
    • Indications for interrogation before discharge or transfer from cardiac telemetry
    • Treatment of pacemaker failure
    • Treatment of pacemaker failure

    6 slides

  7. 07

    Pacing after cardiopulmonary bypass

    • Conduction abnormalities after bypass
    • Placement of temporary epicardial leads
    • Setting the paced rate after bypass
    • Optimising the atrioventricular delay
    • Choice of temporary pacing mode after bypass
    • Choosing a temporary pacing mode
    • Acute biventricular pacing after bypass
    • Assessing ventricular dyssynchrony

    8 slides

  8. 08

    Summary

    • Key points on device identification
    • Key points on intraoperative safety
    • Key points on the postoperative period
    • References
    • References (continued)
    • References (continued)
    • Abbreviations used in this topic
    • Abbreviations used in this topic (continued)
    • Abbreviations used in this topic (continued)
    • Abbreviations used in this topic (continued)
    • Abbreviations used in this topic (continued)
    • Barash, Cullen, and Stoelting's Clinical Anesthesia, 9th Edition

    12 slides