Related Subjects:
| Resuscitation - Adult Tachycardia Algorithm
Automatic Implantable Cardioverter Defibrillators are recommended as a possible treatment for people who have had a serious ventricular arrhythmia, who have an inherited heart condition linked to a high risk of sudden death, or who have had surgery to repair congenital heart disease.
Implantable cardioverter-defibrillators, and cardiac resynchronisation therapy with defibrillation or pacing, are recommended as possible treatments for certain people with heart failure because of left ventricular dysfunction (see the guidance for more information).
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Usual Types
Usual Indications
Devices
QRS interval
NYHA class I
NYHA class II
NYHA class III
NYHA class IV
<120 milliseconds
ICD if there is a high risk of sudden cardiac death
ICD and CRT not clinically indicated
120-149 milliseconds without LBBB
ICD
ICD
ICD
CRT-P
120-149 milliseconds with LBBB
ICD
CRT-D
CRT-P or CRT-D
CRT-P
=150 milliseconds with or without LBBB
CRT-D
CRT-D
CRT-P or CRT-D
CRT-P
LBBB, left bundle branch block; NYHA, New York Heart Association
Monitoring
Patients receiving shocks
Deactivation of ICD
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Automatic Implantable Cardioverter Defibrillator (AICD)
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