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Generally, the tachyarrhythmias can be characterized as either monomorphic ventricular tachycardia or polymorphic ventricular tachycardia. Monomorphic ventricular tachycardia would appear on an ECG record with a regular rate and rhythm and fixed shape or morphology of the ECG trace.
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www.txai.org/edu/irregular/ventricular_tachyarrhythmias...
www.txai.org/edu/irregular/ventricular_tachyarrhythmias.htm
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Catecholaminergic polymorphic ventricular tachycardia (CPVT) is characterized by episodic syncope occurring during exercise or acute emotion in individuals without structural cardiac abnormalities. The underlying cause of these episodes is the onset of fast ventricular tachycardia (bidirectional or polymorphic).
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www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=gene&part=c...
www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=gene&part=cvt
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Definition of Polymorphic ventricular tachycardia in the Medical Dictionary. Polymorphic ventricular tachycardia explanation. Information about Polymorphic ventricular tachycardia in Free online English dictionary. ... (redirected from Polymorphic ventricular tachycardia)
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medical-dictionary.thefreedictionary.com/Polymorphic+ve...
medical-dictionary.thefreedictionary.com/Polymorphic+ventricular+tachycardia
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Sumitomo N, Harada K, Nagashima M, Yasuda T, Nakamura Y, Aragaki Y. Catecholaminergic polymorphic ventricular tachycardia: electrocardiographic characteristics and optimal therapeutic strategies to prevent sudden death.
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emedicine.medscape.com/article/159075-overview
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Polymorphic (or polymorphous) ventricular tachycardia (VT) is defined as an unstable rhythm with a continuously varying QRS complex morphology in any recorded electrocardiographic (ECG) lead () . The simultaneous recording of more than one ECG lead i ... Familial polymorphic ventricular arrhythmias: a quarter century...
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www.uptodate.com/patients/content/topic.do?topicKey=~oG...
www.uptodate.com/patients/content/topic.do?topicKey=~oG6oD5uZNuIIRvb
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The Medscape Journal ... A) Polymorphic ventricular tachycardia ... B) The QT interval is long during sinus rhythm (rhythm strip A), so this polymorphic VT should be called torsade de pointes...
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www.medscape.com/viewarticle/405454_1
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We describe a 17-year-old woman with a structurally normal heart in which short-sustained rapid polymorphic ventricular tachycardias (VTs) were repetitively provoked by an antiarrhythmic agent, pilsicainide, and spontaneously changed into a sustained monomorphic VT. ... The Medscape Journal ... Allergy & Clinical Immunology...
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www.medscape.com/medline/abstract/16968523
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To compare the incidence of pause-dependent polymorphic ventricular tachycardia (PVT) in patients with implantable cardioverter-defibrillators (ICDs) randomly assigned to the QT-prolonging antiarrhythmic dofetilide or placebo.
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content.onlinejacc.org/cgi/content/full/37/4/1100
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