Syncope in patients with inherited arrhythmias
Yukiko Nakano1, Shimizu Wataru2
1Department of Cardiovascular Medicine, Division of Frontier Medical Science, Programs for Biomedical Research, Graduate School of Biomedical Science, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima734-8551, Japan.
Journal of Arrhythmia
|December 20, 2017
Summary
Syncope, often linked to inherited arrhythmias like Long QT syndrome, can precede cardiac arrest. Early diagnosis and treatment of these conditions are crucial for improving patient outcomes and preventing sudden death.
Area of Science:
- Cardiology
- Genetics
- Neurology
Background:
- Syncope is a common symptom with multifactorial causes, including cerebral ischemia.
- Inherited arrhythmias, though uncommon causes of syncope, can be critical warning signs for cardiac arrest.
- Conditions like Long QT syndrome, Brugada syndrome, and catecholaminergic polymorphic ventricular tachycardia are significant inherited arrhythmias causing syncope.
Purpose of the Study:
- To describe syncope associated with three typical inherited arrhythmias.
- To discuss various diagnostic modalities for syncope in the context of inherited arrhythmias.
- To emphasize the importance of early diagnosis and therapeutic intervention for improving prognosis.
Main Methods:
- Review of literature on syncope and inherited arrhythmias.
- Case descriptions of syncope linked to Long QT syndrome, Brugada syndrome, and catecholaminergic polymorphic ventricular tachycardia.
- Discussion of diagnostic approaches for these conditions.
Main Results:
- Syncope serves as a valuable symptom for risk stratification of fatal arrhythmias.
- Early diagnosis and treatment, such as beta-blockers for LQTS, prevent recurrent syncope.
- Untreated catecholaminergic polymorphic ventricular tachycardia is associated with poor outcomes.
Conclusions:
- Correct diagnosis of syncope is imperative in patients with inherited arrhythmias.
- Timely therapeutic intervention significantly improves prognosis in inherited arrhythmias causing syncope.
- Understanding the link between syncope and specific inherited arrhythmias aids in appropriate management and prevention of adverse events.
Keywords:
Brugada syndromeCatecholaminergic polymorphic ventricular tachycardiaInherited arrhythmiaLong QT syndromeSyncopeMore Related Videos
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