Polymorphic Wide QRS Complex Tachycardia: Differential Diagnosis.
Afterdepolarizations
Bidirectional ventricular tachycardia
Phase 2 reentry
Polymorphic ventricular tachycardia
Preexcited atrial fibrillation
Torsade de pointes
Ventricular fibrillation
Journal
Cardiac electrophysiology clinics
ISSN: 1877-9190
Titre abrégé: Card Electrophysiol Clin
Pays: United States
ID NLM: 101549998
Informations de publication
Date de publication:
06 2019
06 2019
Historique:
entrez:
16
5
2019
pubmed:
16
5
2019
medline:
18
12
2019
Statut:
ppublish
Résumé
Polymorphic wide QRS complex tachycardia is defined as a tachyarrhythmia showing variable and frequently alternating morphologies of the QRS complex with irregular R-R intervals. It may present with a specific and reproducible pattern including torsade de pointes and bidirectional ventricular tachycardia or with a nonspecific and very irregular pattern, different from ventricular fibrillation. Polymorphic ventricular tachycardia is a challenging diagnosis and is associated with a high risk for sudden cardiac death. Although rare, preexcited atrial fibrillation over multiple accessory pathways can also generate a polymorphic wide QRS complex tachycardia mimicking polymorphic ventricular tachycardia.
Identifiants
pubmed: 31084854
pii: S1877-9182(19)30012-7
doi: 10.1016/j.ccep.2019.02.004
pii:
doi:
Types de publication
Journal Article
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
333-344Informations de copyright
Copyright © 2019 Elsevier Inc. All rights reserved.