Arrhythmia recurrence in patients with a healed myocardial infarction who received an implantable defibrillator: analysis according to the clinical presentation
Lluís Mont, MDa,
Mariana Valentino, MDa,
Antonia Sambola, MDa,
Mariona Matas, RNa,
Luis Aguinaga, MDa and
Josep Brugada, MDa
a Arrhythmia Unit, Cardiovascular Institute, Hospital Clinic, University of Barcelona, Barcelona, Spain

View larger version (28K):
[in a new window]
|
Figure 1 Electrogram recorded by the implantable cardiac defibrillator during an episode of "slow" sustained monomorphic ventricular tachycardia at a rate of 170 beats/min treated effectively with antitachycardia pacing.
|
|

View larger version (93K):
[in a new window]
|
Figure 2 Electrogram recorded by the implantable cardiac defibrillator during an episode of "fast" sustained monomorphic ventricular tachycardia at a rate of 221 beats/min that was treated effectively with a defibrillator shock of 23 J.
|
|

View larger version (34K):
[in a new window]
|
Figure 3 Electrogram recorded by the implantable cardiac defibrillator during an episode of polymorphic ventricular tachycardia/fibrillation treated effectively with a defibrillator shock of 20 J.
|
|

View larger version (12K):
[in a new window]
|
Figure 4 KaplanMeier curves showing the time-related arrhythmia-free interval for the three groups of patients (sustained monomorphic ventricular tachycardia [SMVT], cardiac arrest and syncope) (log-rank test, p = NS).
|
|
|