Ventricular tachycardia secondary prevention: Difference between revisions

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'''LVEF:''' [[Left ventricular ejection fraction]];
'''LVEF:''' [[Left ventricular ejection fraction]];
'''ICD:''' [[Intracardiac defibrillation]];
'''ICD:''' [[Intracardiac defibrillation]];
'''NYHA:''' [[New York Heart Association]] functional classification;
'''LVAD:''' [[Left ventricular assist device]];
'''EPS:''' [[Electrophysiology study]]
'''EPS:''' [[Electrophysiology study]]
</span>
</span>

Revision as of 05:24, 13 May 2021

Ventricular tachycardia Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-in Chief: Avirup Guha, M.B.B.S.[2]

Overview

Secondary prevention

Abbreviations: MI: Myocardial infarction; VT: Ventricular tachycardia; VF: Ventricular fibrillation; LVEF: Left ventricular ejection fraction; ICD: Intracardiac defibrillation; EPS: Electrophysiology study

Recommendations for secondary prevention of sudden cardiac death in ischemic heart disease
ICD implantation (Class I, Level of Evidence B):

❑ In patients with IHD and survivors of SCD due to VT, VF or hermodynamically unstable VT or incessant VT with irreversible cause, ICD should be implanted if survival is more than 1 year.

ICD implantation (Intermediate value statement, Level of Evidence B) :

❑ In patients with higher risk of death due to ventricular arrhythmia and lower risk of non cardiac death due to other comorbidities, ICD implantation has intermediate value.

ICD implantation : (Class I, Level of Evidence B)

❑ In patients with IHD and unexplained syncope with induction of sustained monomorphic VT in EPS, ICD implantation is recommended if life expectancy is more than 1 year





 
 
 
 
 
 
Secondary prevention in patients with IHD
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SCA survivor or sustained monomorph VT
 
 
 
Cardiac syncope
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Ischemia
 
 
 
LVEF≤35%
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Yes: revascularization, reassessment about SCD risk (class1)
 
NO:ICD candidate
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Yes:ICD (class1)
 
NO: medical therapy (class1)
 
 
Yes:ICD (CLASS1)
 
NO:EP study (class 2a)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Ventriculat arrhythmia induction
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Yes: ICD (class1)
 
NO: monitoring
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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