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- 1. 頻脈性不整脈の急性期マネージメントの概要overview of the acute management of tachyarrhythmias [show details]
… 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. Polymorphic VT is generally …
- 2. カテコラミン誘発性多形性心室頻拍 catecholaminergic polymorphic ventricular tachycardia [show details]
… Polymorphic (or polymorphous) ventricular tachycardia (VT) is defined as a ventricular rhythm at a rate greater than 100 beats per minute (bpm) with a continuously varying QRS complex morphology in any …
- 3. 明らかな器質的心疾患のない患者に突然生じる心停止の評価approach to sudden cardiac arrest in the absence of apparent structural heart disease [show details]
… anti-arrhythmics, and methadone . Polymorphic VT with a normal QT interval is largely due to either acute cardiac ischemia or catecholaminergic polymorphic VT (CPVT). Ischemia is the cause in the majority …
- 4. 急性心筋梗塞発症時の心室性不整脈：予防および治療ventricular arrhythmias during acute myocardial infarction prevention and treatment [show details]
…(should they arise) is discussed elsewhere. Patients with ventricular arrhythmias, especially polymorphic VT, in the setting of an acute MI should receive aggressive treatment for both the arrhythmia and …
- 5. 明らかに器質的心疾患のない患者の心室頻脈ventricular tachycardia in the absence of apparent structural heart disease [show details]
…could not be induced. Polymorphic VT may present in patients with no significant structural heart disease and no family history who do not have catecholaminergic polymorphic VT (CPVT). One study evaluated …
English Journal
- Idiopathic short-coupled ventricular tachyarrhythmias: Systematic review and validation of electrocardiographic indices.
- Almehairi M, Alshiekh-Ali AA, Alfagih A.
- The Egyptian heart journal : (EHJ) : official bulletin of the Egyptian Society of Cardiology. 2018 Dec;70(4)301-306.
- Idiopathic short-coupled ventricular tachyarrhythmias make up a considerable proportion of ventricular tachyarrhythmias in structurally normal hearts and are the cause of 5-10% of unexpected sudden cardiac deaths. There is disparity in the literature regarding their description and a lack of formal
- PMID 30591747
- Ischemia-triggered pause-dependent polymorphous ventricular tachycardia storm complicating acute myocardial infarction terminated by complete coronary reperfusion.
- Chiladakis J, Zagkli F, Chouchoulis K, Alexopoulos D.
- Journal of cardiovascular electrophysiology. 2013 Sep;24(9)1055.
- PMID 23574357
- [Electrophysiological effects and antiarrhythmic activity of novel domestic class III antiarrhythmogenic drug niferidil administered in patients with paroxismal supraventricular tachycardia].
- Mironov NIu, Golitsyn SP, Sokolov SF, Maĭkov EB, Shlevkov NB, Iuricheva IuA, Mareev IuV, Rosenshtraukh LV, Chazov EI.
- Eksperimental'naia i klinicheskaia farmakologiia. 2012 ;75(10)16-21.
- Intracardiac electrophysiological effects and antiarrhythmic activity of novel domestic class III antiarrhythmogenic drug niferidil has been studied in a group of 25 patients with paroxismal supraventricular tachycardia (PSVT) diagnosis. The drug was administered in a dose of 20 mg/kg (i.v.). Niferi
- PMID 23240154
Japanese Journal
- 高空間時間分解能の心筋通電刺激誘発 Virtual Electrode 現象光学マッピングシステム
- 荒船 龍彦,三嶋 晶,佐久間 一郎 [他],稲田 紘,柴田 仁太郎,中川 晴道,山崎 正俊,本荘 晴朗,児玉 逸雄
- 生体医工学 : 日本エム・イー学会誌 = Transactions of the Japanese Society for Medical and Biological Engineering : BME 41(4), 314-320, 2003-12-10
- … It is well known that electrical pacing is used as a method for prevention and termination of arrhythmia such as ventricular tachycardia (VT) or fibrillation (VF). … Using this mapping system, we measured the initiation process of virtual electrode induced polymorphous reentrant activity derived by point stimulation during VT with high temporal and spatial resolution. …
- NAID 110003988496
- 高空間時間分解能の心筋通電刺激誘発Virtual Electrode現象光学マツピングシステム
- 荒船 龍彦,三嶋 晶,佐久間 一郎,稲田 紘,柴田 仁太郎,中川 晴道,山崎 正俊,本荘 晴朗,児玉 逸雄
- 生体医工学 41(4), 314-320, 2003
- … It is well known that electrical pacing is used as a method for prevention and termination of arrhythmia such as ventricular tachycardia (VT) or fibrillation (VF). … Using this mapping system, we measured the initiation process of virtual electrode induced polymorphous reentrant activity derived by point stimulation during VT with high temporal and spatial resolution. …
- NAID 130004093992
- ペースメーカー植込み術とβ遮断薬治療により心室頻拍発作が改善したQT延長症候群の1例
- 川井 三恵,本田 陽一,松本 淳,東 吉志,鈴木 智毅,永田 雅子,蓮田 聡雄,日下 雅文,鈴木 昭彦,山田 拓,清水 光行,望月 正武
- 東京慈恵会医科大学雑誌 116(5), 393-396, 2001-09-15
- NAID 10009655467
Related Links
- Polymorphic ventricular tachycardia is an abnormal heart rhythm that occurs when the heart's electrical signals don't work properly. It can become an emergency in some cases and left untreated, can cause death. Find out the ...
- Polymorphic (or polymorphous) ventricular tachycardia (VT) is defined as a ventricular rhythm at a rate greater than 100 beats per minute (bpm) with a continuou ... REFERENCES Nguyen PT, Scheinman MM, Seger J ...
- Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a condition characterized by an abnormal heart rhythm (arrhythmia). As the heart rate increases in response to physical activity or emotional stress, it can trigger an ...
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- 英
- polymorphic ventricular tachycardia polymorphic VT, polymorphous ventricular tachycardia
- 関
- トルサード・ド・ポアンツ、不整脈、心室頻拍
概念
- 多形性心室頻拍は頻拍中のQRS波形が刻々と変化し、QRS波形が基線を中心にしてねじれているように見える。多くは非持続性で自然停止するが、時に心室細動に移行する。
分類
- QT延長を伴う：Torsades de pointes TdP → QT時間の延長を伴い、T波に続く心室性期外収縮によって誘発され、QRS波形が刻々と変化する多型性心室頻拍で、QRS波の振幅が基線の周りを捻じれるように変動する。
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- 後天性QT延長症候群：薬剤(抗不整脈薬(Ia群、III群)、非心臓薬(向精神薬、抗生剤、抗アレルギー薬など)など)が多い。
- 心疾患有り：虚血、心不全、ショックなどの心機能低下に伴って起こる場合が多い
- 心疾患なし： → 特発性多形性心室頻拍
- Brugada症候群：胸部誘導(V1-V3)のST上昇が特徴。若年-壮年男性の突然死の原因
- カテコラミン誘発多形性心室頻拍：感情の高まり、運動、イソプロテレノールで誘発
- QT短縮症候群(SQTS)
- 明らかな誘因や心電図学的特徴が認められない特発性多形性心室頻拍・心室細動
治療
予防
参考
- 1. 不整脈薬物治療に関するガイドライン（2009年改訂版）
- [display]http://www.j-circ.or.jp/guideline/pdf/JCS2009_kodama_h.pdf
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- 関
- cardiac ventricle、cerebral ventricle、cerebroventricle、cerebroventricular、heart ventricle、ventricle、ventriculi、ventriculus
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- 関
- tachyarrhythmia
[show details]
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- 関
- pleomorphic、pleomorphism、polymorphic、polymorphically、polymorphism