Cardiac Pacing in Intensive Care

Author:

Donovan Karl D.1

Affiliation:

1. Intensive Care Unit, Royal Perth Hospital, Perth, Western Australia

Abstract

Cardiac pacing techniques and equipment have developed dramatically in recent years. Bradycardias and tachycardias may be effectively treated by pacing. Bradyarrhythmias: It is generally accepted that pacing is indicated for a sustained symptomatic bradycardia. Prophylactic pacing for‘high-risk’ bundle branch block in acute myocardial infarction is more controversial. A new era in cardiology has been introduced with the advent of‘physiological pacing’, i.e. pacing of the heart with the maintenance of atrioventricular synchrony and varying the heart rate according to the body's metabolic leads. Modern pacing systems, which allow the atria and ventricles to contract in sequence, improve cardiac haemodynamics, result in subjective improvement and increase exercise tolerance. There are, however, pacemaker-associated and pacemaker-mediated tachyarrhythmias. Further advances in technology should overcome these problems. Tachyarrhythmias: Intracardiac electrocardiograms are often useful in the diagnosis of tachyarrhythmias, especially wide complex tachycardias. Rapid pacing of the atria in certain supraventricular tachycardias or of the ventricle in ventricular tachycardia is an alternative to cardioversion in many instances. This form of treatment is usually utilised in conjunction with drug therapy.

Publisher

SAGE Publications

Subject

Anesthesiology and Pain Medicine,Critical Care and Intensive Care Medicine

Cited by 7 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Temporary epicardial pacing after cardiac surgery: a practical review;Anaesthesia;2007-03-21

2. Cardiac Arrhythmias: Diagnosis and Management. The Bradycardias;Critical Care and Resuscitation;2002-03

3. Passagere Schrittmachertherapie;Der Internist;2000-09-28

4. Emergency cardiac pacing;The American Journal of Emergency Medicine;1993-03

5. Bedside Catheterization;Care of the Critically Ill Patient;1992

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