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Cardiac arrest

Preparation
Immediate management
Investigations
Prevention
Prognosis
Prevention

VT or VF arrest

Consider implantable defibrillators a

Why?

  • Implantable defibrillators reduce mortality in patients who had a VF or VT arrest following a myocardial infarction a
  • However, implantable defibrillators are not clearly more effective than amiodarone and are less cost-effective. a

Implantable defibrillators reduce the risk of sudden death

Patient Treatment Comparison Outcome CER RRR
(95% CI)
NNT
(95% CI)
previous VT/VF arrest following MI a implantable defibrillators conventional therapy death
at 2 years
36% 61%
(-8% to 86%)
5
(2 to 150)

Expiry date: July 2003
Levels of Evidence used in grading these guides

Author   CM   Ball
Reviewer   S   Straus
CAT Writers   CM   Ball , CJ   Wotton