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Fascicular ventricular tachycardia

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https://www.readbyqxmd.com/read/29881572/belhassen-anterior-fascicular-ventricular-tachycardia-a-case-in-a-black-african
#1
Soulemane Pessinaba, Messan Agbetiafa, Messanvi Aloumon, Komlavi Yayehd, Yawo Molba Dodzi Atti, Findibe Damorou
Belhassen ventricular tachycardia can be characterized by a complete right branch block and a right axial deviation. This type, although rare, must be recognized to properly treat the patient, as verapamil treatment is effective.
June 2018: Clinical Case Reports
https://www.readbyqxmd.com/read/29759663/cellular-physiology-and-clinical-manifestations-of-fascicular-arrhythmias-in-normal-hearts
#2
REVIEW
Raphael K Sung, Penelope A Boyden, Melvin Scheinman
Fascicular ventricular arrhythmias represent a spectrum of ventricular tachycardias dependent on the specialized conduction system. Although they are more common in structurally abnormal hearts, there is an increasing body of literature describing their role in normal hearts. In this review, the authors present data from both basic and clinical research that explore the current understanding of idiopathic fascicular ventricular arrhythmias. Evaluation of the cellular electrophysiology of the Purkinje cells shows clear evidence of enhanced automaticity and triggered activity as potential mechanisms of arrhythmias...
December 11, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29733473/the-prevalence-and-characteristics-of-coexisted-atrioventricular-nodal-reentrant-tachycardia-and-idiopathic-left-fascicular-ventricular-tachycardia
#3
Fa-Po Chung, Vu Van Ba, Yenn-Jiang Lin, Shih-Lin Chang, Li-Wei Lo, Yu-Feng Hu, Ta-Chuan Tuan, Tze-Fan Chao, Jo-Nan Liao, Chin-Yu Lin, Ming-Hsiung Hsieh, Shih-Ann Chen
BACKGROUND: Coexistence of idiopathic left fascicular ventricular tachycardia (ILFVT) and atrioventricular nodal reentrant tachycardia (AVNRT) has been rarely reported. OBJECTIVES: The study aimed at elucidating the prevalence of coexisted AVNRT in patients with ILFVT during longitudinal follow-up. The electrophysiological properties and clinical predictors of coexisted ILFVT and AVNRT were investigated. METHODS: From 1999 to 2017, a total of 108 patients (age: 33...
May 7, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29658207/ablation-induced-change-in-the-course-of-fascicular-tachycardia
#4
Avishag Laish-Farkash, Avi Sabbag, Michael Glikson, Aharon Glick, Vladimir Khalameizer, Amos Katz, Yoav Michowitz
BACKGROUND: Multiform fascicular tachycardia (FT) was recently described as a ventricular tachycardia (VT) that has a reentrant mechanism using multiple fascicular branches and produces alternate fascicular VT forms. Ablating the respective fascicle may cause a change in the reentrant circuit resulting in a change in morphology. Ablation of the septal fascicle is crucial for successful treatment. OBJECTIVES: To describe four cases of FT in which ablation induced a change in QRS morphologies and aggravated clinical course...
January 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29508083/ablation-approaches-for-ventricular-fibrillation
#5
REVIEW
Prabhpreet Singh, Amit Noheria
Invasive electrophysiology (EP) mapping and catheter ablation has increasingly become the standard of care for many cardiac arrhythmias like supraventricular tachycardias, atrial fibrillation, premature ventricular complexes (PVC), and monomorphic ventricular tachycardia. In this review, we discuss the recent progress made in the mapping and ablation of ventricular fibrillation (VF). Ventricular activation during VF is apparently disorganized, making mapping and interpretation difficult. Prolonged mapping during VF would require mechanical circulatory support as VF causes complete hemodynamic collapse...
March 6, 2018: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29477502/alternans-during-fascicular-ventricular-tachycardia-due-to-digitalis-toxicity
#6
S Serge Barold
This report describes a digitalis-induced regular fascicular ventricular tachycardia characterized by marked QRS alternans a manifestation not usually associated with this arrhythmia. The striking alternation of QRS configuration suggested alternating ventricular activation from either a single focus with two exits in distal branches of the left anterior fascicle or 2 different foci localized in the Purkinje-myocardial network of the left anterior fascicle.
February 8, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29476573/transient-left-septal-fascicular-block-in-the-setting-of-acute-coronary-syndrome-associated-with-giant-slurring-variant-j-wave
#7
Andrés Ricardo Pérez-Riera, Raimundo Barbosa-Barros, Wallam Lima Aragão, Rodrigo Daminello-Raimundo, Luiz Carlos de Abreu, Joseane Elza Tonussi Mendes Rossette do Valle, Isabel Cristina Esposito Sorpreso, Kjell Nikus
We report a case of acute coronary syndrome with transient prominent anterior QRS forces (PAF) caused by proximal subocclusion of the left anterior descending (LAD) coronary artery before the first septal perforator branch. The ECG change indicates left septal fascicular block (LSFB) with associated slurring-type giant J-wave. Currently, this J-wave variant is considered as a lambda-like wave or QRS-ST-T "triangulation". Its presence is indicative of poor prognosis because of the risk for cardiac arrest as a consequence of ventricular tachycardia/ventricular fibrillation (VT/VF)...
February 24, 2018: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/29333794/ablation-induced-change-in-the-course-of-fascicular-tachycardia
#8
Avishag Laish-Farkash, Avi Sabbag, Michael Glikson, Aharon Glick, Vladimir Khalameizer, Amos Katz, Yoav Michowitz
BACKGROUND: Multiform fascicular tachycardia (FT) was recently described as a ventricular tachycardia (VT) that has a reentrant mechanism using multiple fascicular branches and produces alternate fascicular VT forms. Ablating the respective fascicle may cause a change in the reentrant circuit resulting in a change in morphology. Ablation of the septal fascicle is crucial for successful treatment. OBJECTIVES: To describe four cases of FT in which ablation induced a change in QRS morphologies and aggravated clinical course...
January 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29312750/mitral-valve-prolapse-an-underestimated-cause-of-sudden-cardiac-death-a-current-review-of-the-literature
#9
REVIEW
Michael Spartalis, Eleni Tzatzaki, Eleftherios Spartalis, Antonios Athanasiou, Demetrios Moris, Christos Damaskos, Nikolaos Garmpis, Vassilis Voudris
Mitral valve prolapse (MVP) is a common valve abnormality in general population. Despite the general belief of a benign disorder, several articles since the 1980s report sudden cardiac death (SCD) in MVP patients, with a substantial percentage of asymptomatic young individuals. The problem is to detect those patients at increased risk and implement methods that are suitable to prevent cardiac arrest. This review investigates the correlation between MVP and SCD, the understanding of the pathophysiology, the strategies for detecting those at risk and treatment options...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29289261/r-wave-peak-time-at-lead-ii-in-adults-with-ventricular-premature-beats-bundle-branch-block-and-left-anterior-fascicular-block
#10
Min Yu, Tingting Chen, Shuang Hu, Shan Zou, Cantian Wang, Chujuan Zeng, Weijie Chen, Xuerui Tan
BACKGROUND: Recently, the R-wave peak time (RWPT) at lead II was reported to be a helpful and simple tool for differentiating wide QRS complex tachycardias with a RWPT ≥ 50ms for ventricular tachycardia diagnosis. Our previous study showed that the duration of RWPT at lead II in adults was ≈29ms. However, the effects of ventricular premature beats (VPBs), bundle branch block (BBB) or left anterior fascicular block (LAFB) on RWPT at lead II remain unknown. METHODS: The study was conducted in the First Affiliated Hospital of Shantou University Medical College in Southern China...
January 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29226995/change-in-qrs-morphology-as-a-marker-of-spontaneous-elimination-in-verapamil-sensitive-idiopathic-left-ventricular-tachycardia
#11
Hiroshi Kawakami, Takeshi Aiba, Kohei Ishibashi, Ikutaro Nakajima, Mitsuru Wada, Tsukasa Kamakura, Yuko Inoue, Koji Miyamoto, Hideo Okamura, Satoshi Nagase, Takashi Noda, Yoshihiro Kokubo, Yoshihiro Miyamoto, Satoshi Yasuda, Shiro Kamakura, Kengo Kusano
BACKGROUND: Verapamil-sensitive idiopathic left ventricular tachycardia (verapamil-ILVT) is thought to be due to a reentry within the LV fascicular system. Radiofrequency catheter ablation (RFCA) is effective for elimination of the VT; however, a long-term prognosis of patients with verapamil-ILVT is still unclear. METHODS AND RESULTS: Eighty consecutive verapamil-ILVT patients (62 men, 31 ± 12 years of age, LVEF: 65 ± 4%) were enrolled. Seventy-six (95%) cases of VT involved right bundle branch block and left axis deviation...
March 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29184614/idiopathic-fascicular-left-ventricular-tachycardia
#12
Yaser Alahmad, Nidal Ahmad Asaad, Salaheddin Omran Arafa, Shahul Hameed Ahmad Khan, Alsayed Mahmoud
Idiopathic left fascicular ventricular tachycardia (ILFVT) is characterized by right bundle branch block morphology and left axis deviation. We report a case of idiopathic left ventricular fascicular tachycardia in a young 31-year-old male patient presenting with a narrow complex tachycardia.
July 2017: Heart Views: the Official Journal of the Gulf Heart Association
https://www.readbyqxmd.com/read/29138142/catheter-ablation-of-idiopathic-left-posterior-fascicular-ventricular-tachycardia-predicting-the-site-of-origin-via-mapping-and-electrocardiography
#13
Wei Ma, Fengmin Lu, Michael Shehata, Xunzhang Wang, Fan Zhang, Bingwei Chen, Dongyan Wu, Le He, Shan Sun, Aijuan Cheng, Jun Ding, Hongliang Cong, Jing Xu
BACKGROUND: We report the 12-lead ECG morphology of left posterior fascicular ventricular tachycardia (LPF-VT) and the relationship between His-ventricular (HV) interval and site of origin in LPF-VT. METHODS AND RESULTS: We studied 41 patients who underwent successful catheter ablation of LPF-VT with HV interval >0 ms (n=8; proximal-LPF group), HV interval 0 to -15 ms (n=15; middle-LPF group), and HV interval <-15 ms (n=18; distal-LPF group). The earliest mapped presystolic potential (PP)-QRS interval was 34...
November 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28899957/electrocardiographic-findings-of-fascicular-ventricular-tachycardia-versus-supraventricular-tachycardia-with-aberrancy-why-the-difference
#14
EDITORIAL
Joshua D Moss, Melvin M Scheinman
No abstract text is available yet for this article.
September 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28899954/differentiating-the-qrs-morphology-of-posterior-fascicular-ventricular-tachycardia-from-right-bundle-branch-block-and-left-anterior-hemiblock-aberrancy
#15
MULTICENTER STUDY
Yoav Michowitz, Oholi Tovia-Brodie, Ishai Heusler, Avi Sabbag, Michael Rahkovich, Hezzy Shmueli, Aharon Glick, Bernard Belhassen
BACKGROUND: 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 attempt to differentiate it from RBBB and LAHB aberrancy. METHODS AND RESULTS: A systematic Medline search was used to identify or locate ECG tracings from patients with LPF-VTs...
September 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28767385/left-anterior-descending-coronary-artery-dissection-during-ventricular-tachycardia-ablation-case-report
#16
Kresimir Kordic, Sime Manola, Ivan Zeljkovic, Ivica Benko, Nikola Pavlovic
Fascicular left ventricular tachycardia (VT) is the second most frequent idiopathic left VT in the setting of a structurally normal heart. Catheter ablation is curative in most patients with low complication rates. We report a case of ostial left anterior descending coronary artery (LAD) occlusion during fascicular ventricular tachycardia ablation. Dissection was the most likely cause of LAD obstruction. To the authors' best knowledge, this is the first case reporting selective LAD dissection during electrophysiology study with no left main coronary artery (LMCA) affection...
March 1, 2018: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28749010/radiofrequency-ablation-of-fast-ventricular-tachycardia-causing-an-icd-storm-in-an-infant-with-hypertrophic-cardiomyopathy
#17
Yakup Ergul, Isa Ozyilmaz, Meki Bilici, Erkut Ozturk, Sertaç Haydin, Alper Guzeltas
An implantable cardioverter defibrillator (ICD) storm involves very frequent arrhythmia episodes and ICD shocks, and it is associated with poor short-term and long-term prognosis. Radiofrequency catheter ablation can be used as an effective rescue treatment for patients with an ICD storm. To our knowledge, this is the first report of an infant with hypertrophic cardiomyopathy presenting with an ICD storm and undergoing successful radiofrequency catheter ablation salvage treatment for the fast left posterior fascicular ventricular tachycardia...
April 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28361212/catheter-ablation-of-a-left-posterior-fascicular-ventricular-tachycardia-guided-by-a-novel-high-resolution-multipolar-mapping-catheter
#18
Giulio Conte, Maria Luce Caputo, François Regoli, Tiziano Moccetti, Angelo Auricchio
No abstract text is available yet for this article.
June 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28294644/electrocardiogram-changes-and-atrial-arrhythmias-in-individuals-carrying-sodium-channel-scn5a-d1275n-mutation
#19
Sari U M Vanninen, Kjell Nikus, Katriina Aalto-Setälä
INTRODUCTION: The cardiac sodium channel SCN5A regulates atrioventricular and ventricular depolarization as well as cardiac conduction. Patients with cardiac electrical abnormalities have an increased risk of sudden cardiac death (SCD) and cardio-embolic stroke. Optimal management of cardiac disease includes the understanding of association between the causative mutations and the clinical phenotype. A 12-lead electrocardiogram (ECG) is an easy and inexpensive tool for finding risk patients...
September 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28292752/fascicular-ventricular-tachycardia-originating-from-papillary-muscles-purkinje-network-involvement-in-the-reentrant-circuit
#20
COMPARATIVE STUDY
Yuki Komatsu, Akihiko Nogami, Kenji Kurosaki, Itsuro Morishima, Keita Masuda, Tomoya Ozawa, Takashi Kaneshiro, Yuichi Hanaki, Yasutoshi Shinoda, Ahmed Karim Talib, Shinya Kowase, Yukio Sekiguchi, Kazutaka Aonuma
BACKGROUND: Verapamil-sensitive fascicular ventricular tachycardia (FVT) has been demonstrated to be a reentrant mechanism using the Purkinje network as a part of its reentrant circuit. Although the papillary muscles (PMs) are implicated in arrhythmogenic structure, reentrant FVT originating from the PMs has not been well defined. METHODS AND RESULTS: We studied 13 patients in whom FVT was successfully eliminated by ablation at the posterior PMs (n=8; PPM-FVT) and anterior PMs (n=5; APM-FVT)...
March 2017: Circulation. Arrhythmia and Electrophysiology
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