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ventricular tachycardia originating from the His bundle: A case report

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World Journal of Clinical Cases 2021年第32期9卷 10040-10045页

作者： Lu-Yao Zhang Shu-Juan Dong Hai-Jia Yu Ying-Jie Chu Department of Cardiology Zhengzhou University People’s HospitalZhengzhou 450003Henan ProvinceChina Department of Emergency Zhengzhou University People’s HospitalZhengzhou 450003Henan ProvinceChina

BACKGROUND ventricular tachycardia(VT)commonly occurs among patients with heart failure and can even cause sudden cardiac *** originating from the His bundle branch has been rarely *** present the case of a patient with VT from the His bundle *** SUMMARY A 58-year-old female complained of paroxysmal palpitations and dizziness for approximately 6 *** had a history of fatty liver and cholecystitis,and carotid atherosclerosis could not be excluded from the ultrasound *** evaluation of the electrocardiogram obtained after admission showed spontaneous conversion between two different *** possible electrophysiologic mechanism suggested that the dual-source VT originated from the same source,the His bundle ***,the His bundle branch was ablated,and a dualchamber pacemaker was inserted into the patient’s *** further VT occurred during the 3-year follow-up after hospital *** The diagnosis of VT originating from the His bundle is rare and difficult to *** results of this study showed VT originating from the His bundle based on a careful evaluation of the electrocardiogram,and the diagnosis was confirmed by an intracardiac electrophysiologic examination.

关键词： Electrocardiogram His bundle ventricular tachycardia Case report

Polymorphic ventricular tachycardia during phase Ⅱ cardiac rehabilitation in a patient with heart failure: a case report

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Journal of Geriatric Cardiology 2020年第1期17卷 64-66页

作者： Hee-Eun Choi Chul Kim Se-Heum Park Doo-Il Kim Ki-Hun Kim Dong-Kie Kim Seunghwan Kim Jino Park Department of Rehabilitation Medicine Inje University College of MedicineHaeundae Paik HospitalBusanSouth Korea Department of Rehabilitation Medicine Inje University College of MedicineSanggye Paik HospitalSeoulSouth Korea Department of Internal Medicine Inje University College of MedicineHaeundae Paik HospitalBusanSouth Korea

A 67-year-old man with a history of a prior cardiac arrest with ventricular fibrillation(VF)due to myocardial infarction underwent phase I(inpatient)and II(outpatient)cardiac rehabilitation(CR)exercise *** the 33th CR session,15 min after the start of exercise training,the patient had syncope with evidence of a polymorphic and wide QRS complex tachycardia on electrocardiogram(ECG)*** initiation of a polymorphic ventricular tachycardia was evidenced by the coupled premature ventricular complex observed in the ECG monitoring screen(Figure 1).

关键词： Cardiac rehabilitation Heart failure ventricular tachycardia

Normalization of plasma growth hormone alleviated malignant ventricular tachycardia in acromegaly

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Journal of Geriatric Cardiology 2018年第8期15卷 547-550页

作者： Zhi-Hao LIU Kang LI Yan-Sheng DING Jian-Xing QIU Steven Siyao Meng Mohetaboer Momin Sheng-Cong LIU Tie-Ci YI Jian-Ping LI Department of Cardiology Peking University First Hospital Beo'ing China University of Rochester Medzcal Center Rochester NY Umted States Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education Health Science Center Peking University Beijing China

Acromegaly is an insidious endocrine disease character- ized by chronic elevation of growth hormone （GH） and insulin-like growth factor-1 （IGF-1）.Ell Persistent excess se- cretion of GH and IGF-1 damages both cardiac structure and function, leading to acromegalic cardiomyopathy, which is one of the most common causes of increased mortality in acromegaly and can result in an average of 10-year reduction in life expectancy.I2＇31 In patients with acromegaly, approximately 3% have been reported having a unique cardiomyopathy characterized by biventricular hypertrophy, myocardial necrosis, lymphocytic infiltration, interstitialfibrosis.

关键词： Acromegaly Growth hormone IGF-1 ventricular tachycardia

Successful Vaginal Delivery after Implantable Cardiac Defibrillator Placement for Management of ventricular tachycardia

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Congenital Heart Disease 2021年第2期16卷 137-139页

作者： Sara Moufarrij Manisha Gandhi Wilson Lam Angeline Opina Department of Obstetrics and Gynecology Baylor College of MedicineHoustonUSA Department of Pediatric Cardiology Baylor College of MedicineHoustonUSA

A 23-year-old female with Tetralogy of Fallot who is 30w6d pregnant presented with palpitations and syncope from an outside *** was found to have ventricular *** placement of a transvenous implantable cardiac defibril... 详细信息

关键词： ventricular tachycardia pregnancy intracardiac defibrillatory

ventricular tachycardia ablation and substrate modification in ICD patients with electrical storm

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The Journal of Biomedical Research 2015年第1期29卷 52-55页

作者： Minglong Chen Section of Electrophysiology Division of Cardiologythe First Affiliated Hospital of Nanjing Medical University

The electrical storm （ES） is defined as a state of electrical instability with three or more sustained ventricular arrhythmias （VAs） occurring within twenty-four hours, which needs intravenous antiarrhythmic medications and frequent defibrillation. Recently, radiofrequency catheter ablation evolved as a sole therapy to terminate ES in patients with ICD, and the survival has been reported to be improved with successful ablation during follow-up. In this review, we briefly summarize substrate mapping and substrate ablation strategy in patients with ES, and discuss the reason of recurrence after ablation.

关键词： electrical storm ventricular tachycardia substrate ablation

ventricular tachycardia Unveiling an Obstructive Cardiomyopathy Complicated with an Apical Aneurysm

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World Journal of Cardiovascular Diseases 2022年第2期12卷 111-117页

作者： W. N. Mboup S. A. Sarr D. W. Balde M. T. Diop Y. Diouf J. S. Mingou F. Aw M. Bodian M. B. Ndiaye M. Diao Cardiology Department Aristide Le Dantec University Hospital Center Dakar Senegal

Background: We report the case of a 58-year-old hypertensive patient under treatment who presented with a ventricular tachycardia unveiling an obstructive cardiomyopathy complicated with an apical aneurysm. Aim: Highlight the rarity of the case and the difficulty of management. Case Presentation: This patient was transferred from Regional Hospital of Ziguinchor in southern Senegal for a brutal dizzy spell without loss of consciousness. The electrocardiogram showed a wide monomorphic QRS complex regular tachycardia with a rate of 215 beats/min. An external electrical cardio version at 300 joules was applied which led to the recovery of a sinus rhythm on the electrocardiogram. The Doppler echocardiography showed an asymetricalmedio-ventricular hypertrophy with a maximum left intraventricular gradient at 10 mm Hg at rest. The coronarography via the radial artery was normal. The evolution was labeled with a recurrence of the ventricular tachycardia. The patient was then put on amiodarone 200 mg, beta-blocker (bisoprolol 10 mg) and anti-vitamin K (acenocoumarol 4 mg). Facing rhythmic instability, an implantable automatic defibrillator was fitted. No complication has been reported after one year of evolution. Conclusion: HCM with medio ventricular obstruction and apical aneurysm complicated with ventricular arrhythmias is a rare entity. Its management is difficult and controversial.

关键词： Hypertrophic Cardiomyopathy Apical Aneurysm ventricular tachycardia Implantable Automatic Defibrillator

Massive inferior wall aneurysm presenting with ventricular tachycardia and refractory cardiomyopathy requiring multiple interventions:A case report

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World Journal of Cardiology 2024年第6期16卷 363-369页

作者： Anderson Anuforo Jake Charlamb Dan Draytsel Mark Charlamb Department of Medicine SUNY Upstate Medical UniversitySyracuseNY 13210United States College of Medicine Norton College of MedicineSUNY Upstate Medical UniversitySyracuseNY 13210United States Division of Cardiology SUNY Upstate Medical UniversitySyracuseNY 13210United States

BACKGROUND Inferior wall left ventricular aneurysms are rare,they develop after transmural myocardial infarction(MI)and may be associated with poorer *** present a unique case of a large aneurysm of the inferior wall complicated by ventricular tachycardia(VT)and requiring surgical resection and mitral valve *** SUMMARY A 59-year-old male was admitted for VT one month after he had a delayed presentation for an inferior ST-segment elevation MI and was discovered to have a large true inferior wall aneurysm on echocardiography and confirmed on coronary computed tomography(CT)*** to the sustained VT,concern for aneurysm expansion,and persistent heart failure symptoms,the patient was referred for surgical resection of the aneurysm with patch repair,mitral valve replacement,and automated implantable cardioverter defibrillator insertion with significant improvement in functional and clinical *** Inferior wall aneurysms are rare and require close monitoring to identify electrical or contractile *** CT angiography can outline anatomic details and guide surgical intervention to ameliorate life-threatening complications and improve performance status.

关键词： Inferior wall aneurysm True aneurysm ventricular tachycardia Electrophysiology Structural interventional cardiology Case report

Phrenic nerve displacement by intrapericardial balloon inflation during epicardial ablation of ventricular tachycardia: Four case reports

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World Journal of Cardiology 2020年第1期12卷 55-66页

作者： Sergio Conti Vito Bonomo Antonio Taormina Umberto Giordano Giuseppe Sgarito Department of Cardiology ElectrophysiologyPalermo 90127Italy Faculty of Medicine University of Tor VergataRome 00133Italy Department of Cardiology University of PalermoPalermo 90127Italy Department of Cardiology University of MessinaMessina 98122Italy

BACKGROUND Phrenic nerve(PN)injury is one of the recognized possible complications following epicardial ablation of ventricular tachycardia(VT).High-output pacing is a widely used maneuver to establish a relationship between the PN and the ablation catheter *** absence of PN capture is usually considered an indication that it is safe to ablate,and that successful ablation may be performed at adjacent ***,PN capture may impact the procedural *** a few cases have been reported in the literature that avoid PN injury by using different *** SUMMARY Three patients with a previous history of myocarditis and one patient with ischemic cardiomyopathy underwent epicardial ablation for drug-refractory *** the procedure,transthoracic echocardiogram,coronary angiogram,and cardiac magnetic resonance imaging were performed on all *** general anesthesia,endo/epicardial three-dimensional anatomical and substrate maps of the left ventricle were *** radiofrequency delivery,the course of the PN was identified by provoking diaphragmatic stimulation with high-output pacing from the distal electrode of the ablation *** every case,a scar region with late potentials was mapped along the PN *** obtaining another epicardial access,a second introducer sheath was placed,and a vascular balloon catheter was inserted into the epicardial space and inflated with saline solution to separate the PN from the *** the absence of PN capture had been proven,radiofrequency was applied to aim for complete late potential elimination and avoid VT *** PN injury can occur as one of the complications following epicardial VT ablation procedures,and may prevent successful ablation of these *** displacement by using large balloon catheters into the epicardial space seems to be feasible and reproducible,avoid procedure-related morbidity,and improve ablation success when performed in selected cent

关键词： Catheter ablation Epicardial access Myocarditis Nonischemic cardiomyopathy ventricular tachycardia Phrenic nerve Case series

A Rare Case of a Primary Cardiac Tumor Presenting as Fatal ventricular tachycardia

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Cardiovascular Innovations and Applications 2022年第3期7卷 23-28页

作者： Xiaomei Wang Xueya Guo Department of Cardiology Lanzhou University Second HospitalLanzhou UniversityLanzhouChina

Primary cardiac tumors are extremely ***,we report the case of a patient with a primary left ventricular interstitial tumor presenting with hemodynamically unstable ventricular *** response to hemodynamically unstable ventricular tachycardia,an implantable cardioverter-defibrillator was *** month after defibrillator implantation,the patient developed episodes of high ventricular tachycardia that could not be effectively terminated by catheter radiofrequency ablation,thus further confirming that the ventricular tachycardia was induced by the left ventricular interstitial *** patient is doing well on medical therapy to date.

关键词： Arrhythmia Primary cardiac tumor ventricular tachycardia