左脚後枝ブロック
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- 1. 左脚後枝ブロックleft posterior fascicular block [show details]
… Left posterior fascicular block (LPFB), a pattern (formerly called left posterior hemiblock) seen on the surface electrocardiogram (ECG), results when normal electrical activity in the His-Purkinje system …
- 2. 心電図チュートリアル：心室内ブロックecg tutorial intraventricular block [show details]
… a QRS <0.12 seconds, a qR in lead aVL, and a peak time to R wave in aVL ≥0.045 seconds Left posterior hemiblock is defined as a pathologic right axis >+90º (some authors use an even more rightward axis…
- 3. 慢性2枝ブロックchronic bifascicular blocks [show details]
…(LAFB) RBBB and left posterior fascicular block (LPFB) LAFB and LPFB (ie, left bundle branch block [LBBB]) Detailed descriptions of the ECG findings associated with RBBB, LAFB, LPFB, and LBBB are presented …
- 4. 心室内伝導遅延への基本的アプローチbasic approach to delayed intraventricular conduction [show details]
…QRS axis of about +120º; it is a rare cause of right axis deviation. The diagnosis of left posterior fascicular block cannot be made without first excluding other causes of right axis deviation such as normal …
- 5. 非同期性興奮と早期興奮の一般原則general principles of asynchronous activation and preexcitation [show details]
…(usually called "intraventricular conduction delay" or IVCD), left anterior hemiblock, and left posterior hemiblock. While all of these conduction patterns are sometimes referred to collectively as forms …
English Journal
- Bundle branch blocks and/or hemiblocks complicating acute myocardial ischemia or infarction.
- , L L, S S, S S, .
- Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing. 2018 Aug;52(3)287-292.
- Despite the bulk of anatomical and histologic evidence supporting the existence of three fascicules in the left branch of the His bundle, the concept of a bifascicular system proposed by Rosenbaum and his school has been adopted by the cardiological community as a practical teaching tool. Left anter
- PMID 30136134
- Clinical, electrocardiographic, and electrophysiological characteristics of left upper septal fascicular ventricular tachycardia.
- Guo XG, Liu X, Zhou GB, Sun Q, Yang JD, Luo B, Ouyang F, Ma J, Zhang S.
- Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology. 2018 04;20(4)673-681.
- We sought to investigate the clinical, electrocardiographic, and electrophysiological characteristics of left upper septal fascicular ventricular tachycardia (LUS-VT). Eleven consecutive patients with LUS-VT were identified among 196 patients with left fascicular ventricular tachycardia (VT). Clinic
- PMID 28160481
- Differentiating the QRS Morphology of Posterior Fascicular Ventricular Tachycardia From Right Bundle Branch Block and Left Anterior Hemiblock Aberrancy.
- Michowitz Y, Tovia-Brodie O, Heusler I, Sabbag A, Rahkovich M, Shmueli H, Glick A, Belhassen B.
- Circulation. Arrhythmia and electrophysiology. 2017 Sep;10(9).
- Left posterior fascicular ventricular tachycardia (LPF-VT) is frequently misdiagnosed as supraventricular tachycardia with aberrant right bundle branch block (RBBB) and left anterior hemiblock (LAHB). The purpose of the present study was to define the morphological ECG characteristics of LPF-VT and
- PMID 28899954
Japanese Journal
- Transient Ischemic Right Axis Deviation Tendency of the Frontal Plane QRS Axis in a Case of Inferior Myocardial Ischemia
- Hasegawa Kohei,Takaya Tomofumi,Mori Shumpei,Soga Fumitaka,Takahashi Hachidai,Terashita Daisuke,Otake Hiromasa,Hirata Ken-ichi
- International Heart Journal 57(3), 363-366, 2016
- … Collateral flow from the jeopardized left anterior descending artery to the posterior descending artery (PDA) was fair. … Since blood supply to the left posterior fascicle is dependent on the PDA, the RAD tendency could be explained by the presence of a transient ischemic left posterior hemiblock. …
- NAID 130005153711
- A Young Case of IntraFascicular Ventricular Tachycardia with Narrow QRS Complex
- Sato Hideyuki,Okano Yoshifumi,Kobayashi Kenzaburo,Fukunaga Shunji,Fujino Tadashi,Yuzawa Hitomi,Yamazaki Junichi,Ikeda Takanori
- Journal of Arrhythmia 27(Supplement), OP66_2-OP66_2, 2011
- … On 12-lead electrocardiograms, narrow QRS tachycardia with left posterior hemiblock morphology was recorded. …
- NAID 130002129636
- 完全右脚ブロック, および左脚後枝ブロックを伴った低心機能, 大動脈弁閉鎖不全症AR(III)に対して心臓再同期療法と大動脈弁置換術を同時施行した1治験例
- 三浦 崇,丁 毅文,佐藤 一樹,押富 隆,橋本 宇史,丁 栄市
- 日本心臓血管外科学会雑誌 35(2), 89-94, 2007-03-15
- 症例は74歳,男性.2004年10月にsevere ARによるうっ血性心不全で入院した.心不全改善後,手術治療を含めた精査加療の必要性を説明したが,本人は精査を希望せず,内服加療となった.経過中,完全右脚ブロック,左脚後枝ブロックから完全房室ブロックを合併し,本人の承諾を得て恒久的ペースメーカー埋め込み術(DDDモード)のみを施行した.2005年1月に心不全が再燃し,再入院となった.術前の心筋組織 …
- NAID 110004704455
Related Links
- Left posterior fascicular block LPFB (left posterior hemiblock), impulses are conducted to the left ventricle via the left anterior fascicle Left posterior fascicular block LPFB (left posterior hemiblock), impulses are conducted to the left ...
- Fascicular block (hemiblock): left anterior fascicular block & left posterior fascicular block Fascicular blocks were previously referred to as hemiblocks, but the latter term has been deprecated. The left bundle branch is subdivided into ...
- The ECG criteria for a left posterior fascicular block, or LPFB, also known as left posterior hemiblock, are discussed with 12-lead ECG examples. ... A left posterior fascicular block ― also known as a left posterior ...
★リンクテーブル★
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- 英
- left posterior hemiblock LPH、left posterior fascicular block LPFB
- 関
- 左脚ブロック、左室前枝ブロック、束枝ブロック
左脚前枝の走行 心電図の読み方パーフェクトマニュアル.99
左脚前枝ブロックと左脚後枝ブロック 心電図パーフェクトマニュアルp.99
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左脚前枝ブロック
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左脚後枝ブロック
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| 走行
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左室前壁を左方に向かう
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後側壁を下降する
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| 大動脈弁の近くを走行
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| 形状
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より細長い
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| 栄養
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左冠動脈前下行枝のみ
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左冠動脈回旋枝、右冠動脈
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| 疾患との関連
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解剖学的特性より効果病変に巻き込まれやすく、障害されやすい。また、血流のバックアップに乏しく虚血に弱い
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| 心電図
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QRS
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ほとんど延長しない
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ほとんど延長しない
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| 電気軸
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左軸偏位(-30°～-80°)
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右軸偏位(+110°以上)
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| 側壁誘導
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qR
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rS
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| 下壁誘導
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rS
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qR
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- 関
- after、afterward、afterwards、backward、behind、following、late、post、posteriorly、subsequent
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- 関
- leave