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Tachycardia

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Supraventricular Tachycardia.

Arun Umesh Mahtani, Devi Gopinath Nair,

The term paroxysmal supraventricular tachycardia encompasses a heterogeneous group of arrhythmias with different electrophysiologic characteristics. Knowledge of the mechanism of each supraventricular tachycardia is important in determining management in the office, at the bedside, and in the electrophysiology laboratory. Paroxysmal supraventricular tachycardias have an abrupt onset and offset, typically initiating ... Read more >>

Med. Clin. North Am. (The Medical clinics of North America)
[2019, 103(5):863-879]

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Nationwide survey on the current practice of ventricular tachycardia ablation.

Pasquale Vergara, Michela Casella, Gaetano Barbato, Ermenegildo De Ruvo, Giuseppe Grandinetti, Pasquale Notarstefano, Gianfranco Tola, Valeria Calvi, Luca Santini, Vincenzo Nissardi, Alessandro Nonis, Renato P Ricci, Giuseppe Boriani, Claudio Tondo, Paolo Della Bella,

METHODS:We performed a nationwide survey on the current practice of ventricular tachycardia catheter ablation in Italy during the year 2016. RESULTS:Among 145 operators participating in the survey, 58 (40.0%) did not perform any ventricular tachycardia ablation in 2016. Among those performing ventricular tachycardia ablation, 9 operators (6.2%) performed only right ... Read more >>

J Cardiovasc Med (Hagerstown) (Journal of cardiovascular medicine (Hagerstown, Md.))
[2019, 20(9):597-605]

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Ventricular Arrhythmias.

Soufian T AlMahameed, Ohad Ziv,

Ventricular tachycardia is commonly seen in medical practice. It may be completely benign or portend high risk for sudden cardiac death. Therefore, it is important that clinicians be familiar with and able to promptly recognize and manage ventricular tachycardia when confronted with it clinically. In many cases, curative therapy for ... Read more >>

Med. Clin. North Am. (The Medical clinics of North America)
[2019, 103(5):881-895]

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Postural Orthostatic Tachycardia Syndrome: Mechanisms and New Therapies.

Philip L Mar, Satish R Raj,

Postural orthostatic tachycardia syndrome (POTS) is a clinically heterogeneous disorder with multiple contributing pathophysiologic mechanisms manifesting as symptoms of orthostatic intolerance in the setting of orthostatic tachycardia (increase in heart rate by at least 30 beats per minute upon assuming an upright position) without orthostatic hypotension. The three major pathophysiologic ... Read more >>

Annu. Rev. Med. (Annual review of medicine)
[2019, :]

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Inherited Cardiac Arrhythmias and Channelopathies.

Jessica Kline, Otto Costantini,

With recent advances in genetic diagnostics, many inherited diseases, which can cause life-threatening arrhythmias, are being better characterized. Many of these diseases are caused by genetic disorders that affect the function of the ion channels that regulate the action potential or the function of important cardiac muscle regulatory proteins. This ... Read more >>

Med. Clin. North Am. (The Medical clinics of North America)
[2019, 103(5):809-820]

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Anterograde His bundle activation during right ventricular overdrive pacing in supraventricular tachycardia.

Ahmed I Elbatran, John K Zarif, Mazen Tawfik,

BACKGROUND:Differentiation between atrioventricular nodal re-entrant tachycardia (AVNRT), atrioventricular re-entrant tachycardia (AVRT), and atrial tachycardia (AT) is often challenging during electrophysiology studies. This study compared the sensitivity and specificity of identifying anterograde His bundle activation during entrainment with commonly used right ventricular (RV) pacing maneuvers to differentiate between these types of ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2019, :]

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Noninvasive Cardioablation.

Marwan M Refaat, Patrick Zakka, Bassem Youssef, Youssef H Zeidan, Fadi Geara, Amin Al-Ahmad,

Stereotactic body radiotherapy uses the principle of 3-dimensional localization of a target to deliver a high dose of radiation to a precise location. The aim of this technique is to ablate tissue noninvasively. Because of its high precision and target conformity, it can deliver a high dose of radiation to ... Read more >>

Card Electrophysiol Clin (Cardiac electrophysiology clinics)
[2019, 11(3):481-485]

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High incidence of atrial fibrillation after successful catheter ablation of atrioventricular nodal reentrant tachycardia: a 15.5-year follow-up.

M K Frey, B Richter, M Gwechenberger, M Marx, T Pezawas, L Schrutka, H Gössinger,

Atrioventricular nodal reentrant tachycardia (AVNRT) is the most common type of supraventricular tachycardia. Slow pathway (SP) ablation is the treatment of choice with a high acute success rate and a negligible periprocedural risk. However, long-term outcome data are scarce. The aim of this study was to assess long-term outcome and ... Read more >>

Sci Rep (Scientific reports)
[2019, 9(1):11784]

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Monitoring of cerebral oximetry in patients with postural orthostatic tachycardia syndrome.

Isabella Kharraziha, Hannes Holm, Erasmus Bachus, Olle Melander, Richard Sutton, Artur Fedorowski, Viktor Hamrefors,

AIMS :Postural orthostatic tachycardia syndrome (POTS) is a disorder of unknown aetiology characterized by orthostatic intolerance and tachycardia with diverse other symptoms, including neurocognitive deficits. Cerebral oximetry non-invasively measures cerebral tissue saturation (SctO2) and has been shown to be informative in syncope evaluation. We aimed to assess SctO2 in POTS patients ... Read more >>

Europace (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)
[2019, :]

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Mapping of ventricular tachycardia in patients with ischemic cardiomyopathy: Current approaches and future perspectives.

Claudio Pandozi, Carlo Lavalle, Maurizio Russo, Marco Galeazzi, Sabina Ficili, Maurizio Malacrida, Carlos Centurion Aznaran, Furio Colivicchi,

Despite the technical improvements made in recent years, the overall long-term success rate of ventricular tachycardia (VT) ablation in patients with ischemic cardiomyopathy remains disappointing. This unsatisfactory situation has persisted even though several approaches to VT substrate ablation allow mapping and ablation of noninducible/nontolerated arrhythmias. The current substrate mapping methods ... Read more >>

Clin Cardiol (Clinical cardiology)
[2019, :]

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Mapping the diastole: ultra-high-density substrate mapping in ventricular tachycardia.

Diogo Cavaco, Pedro Adragão,

Europace (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)
[2019, 21(Supplement_3):iii21-iii23]

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From near-zero to zero fluoroscopy catheter ablation procedures.

A Santoro, F Di Clemente, C Baiocchi, V Zacà, C Bianchi, C Bellini, F Falciani, S Valente, A Gaspardone, F Lamberti,

AIMS:The use of electroanatomical mapping systems (EAM) can reduce radiation exposure (RX) and it can also completely eliminate the use of RX. Radiation exposure related to conventional radiofrequency (RF) ablation procedures can have a stochastic and deterministic effect on health. The main aim of this study was to evaluate the ... Read more >>

J. Cardiovasc. Electrophysiol. (Journal of cardiovascular electrophysiology)
[2019, :]

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Ventricular tachycardia and chest pain due to foreign body in the pericardium caused by self-injurious behaviour.

Hidenori Yamamoto, Yoshie Fukasawa, Taichi Kato,

A 14-year-old girl suddenly developed ventricular tachycardia and severe chest pain during hospitalisation for trauma surgery. CT revealed a needle in the pericardium. Careful interview elicited that she had inserted the needle by herself, and Munchausen syndrome was diagnosed. This is the first report of ventricular tachycardia caused by a ... Read more >>

Cardiol Young (Cardiology in the young)
[2019, :1-2]

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The Benefits of Oral Rehydration on Orthostatic Intolerance in Children with Postural Tachycardia Syndrome.

Marvin S Medow, Kenneth Guber, Shilpan Chokshi, Courtney Terilli, Paul Visintainer, Julian M Stewart,

OBJECTIVE:To evaluate whether equal volumes of oral rehydration solution (ORS) or intravenous (IV) saline provide similar improvements in cardiovascular status during controlled orthostatic challenge when administered to subjects with postural tachycardia syndrome (POTS) with orthostatic intolerance. STUDY DESIGN:We studied the neurovascular response to fluid loading during orthostatic stress using lower ... Read more >>

J. Pediatr. (The Journal of pediatrics)
[2019, :]

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Beneficial effects of early administration of recombinant human B-type natriuretic peptide in ST-elevation myocardial infarction patients receiving percutaneous coronary intervention treatment.

Lijun Wang, Lianna Xie, Xianjing Wei, Zezhou Xie,

INTRODUCTION:We aimed to evaluate the clinical performance of early administration of recombinant human B-type natriuretic peptide (rhBNP) to ST-elevation myocardial infarction (STEMI) patients receiving percutaneous coronary intervention (PCI) treatment. METHODS:In total, 185 patients diagnosed with STEMI were enrolled and randomised into either the placebo-treated (n = 88) or rhBNP-treated (n ... Read more >>

Singapore Med J (Singapore medical journal)
[2019, :]

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Pseudoaneurysm of thoracic aorta presenting as inappropriate sinus tachycardia: a case report.

Zahra Azizi, Pouria Alipour, Maria Terricabras, Yaariv Khaykin,

BACKGROUND:Pseudoaneurysm of thoracic aorta as a complication of blunt trauma to the chest, can present with a variety of symptoms due to mass compression effect. Here we report the first pseudoaneurysm of thoracic aorta presenting with chronic cough and inappropriate sinus tachycardia. The purpose of this case report is to ... Read more >>

J Med Case Rep (Journal of medical case reports)
[2019, 13(1):239]

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Anatomic Considerations Relevant to Atrial and Ventricular Arrhythmias.

John Nan, Alan Sugrue, Thomas P Ladas, Nandini Mehra, Samuel J Asirvatham,

Knowledge of relevant cardiac anatomy is crucial in understanding the pathophysiology and treatment of arrhythmias, and helps avoid potential complications in mapping and ablation. This article explores the anatomy, relevant to electrophysiologists, relating to atrial flutter and atrial fibrillation, ventricular tachycardia relating to the outflow tracts as well as endocardial ... Read more >>

Card Electrophysiol Clin (Cardiac electrophysiology clinics)
[2019, 11(3):421-432]

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Corrigendum: Neuronal and hormonal perturbations in postural tachycardia syndrome.

Philip L Mar, Satish R Raj,

[This corrects the article DOI: 10.3389/fphys.2014.00220.]. ... Read more >>

Front Physiol (Frontiers in physiology)
[2019, 10:978]

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Japan ablation registry: cryoablation in atrioventricular nodal reentrant tachycardia ("JARCANRET study"): results from large multicenter retrospective investigation.

Kaoru Okishige, Ken Okumura, Takuo Tsurugi, Akihiko Yotsukura, Tadafumi Nanbu, Hirotaka Sugiura, Akiko Sanada, Yusuke Kondo, Masahiro Takano, Takehiko Keida, Masaki Fujita, Hiroki Kamiya, Kunihiko Tsuchiya, Kazumasa Adachi, Yukinori Katoh, Kenichi Hiroshima, Kei Yamamoto, Keiichi Ashikaga, Tadashi Hoshiyama, Tetsuo Sasano, Kenzo Hirao,

PURPOSE:Cryoenergy has been demonstrated to be a safe alternative to radiofrequency ablation for catheter ablation of atrioventricular nodal reentrant tachycardia (AVNRT). This study aimed to evaluate the safety and efficacy of cryoablation in patients with AVNRT. METHODS:A multicenter retrospective study was performed. Two hundred eighty-three consecutive patients with AVNRT underwent ... Read more >>

J Interv Card Electrophysiol (Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing)
[2019, :]

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Post-Myocardial Infarction Scar With Fat Deposition Shows Specific Electrophysiological Properties and Worse Outcome After Ventricular Tachycardia Ablation.

Ghassen Cheniti, Soumaya Sridi, Frederic Sacher, Arnaud Chaumeil, Xavier Pillois, Masateru Takigawa, Antonio Frontera, Konstantinos Vlachos, Claire A Martin, Elvis Teijeira, Takeshi Kitamura, Anna Lam, Felix Bourier, Stephane Puyo, Josselin Duchateau, Arnaud Denis, Thomas Pambrun, Remi Chauvel, Nicolas Derval, François Laurent, Michel Montaudon, Meleze Hocini, Michel Haissaguerre, Pierre Jais, Hubert Cochet,

Background Fat deposition (FD) is part of the healing process after myocardial infarction. The characteristics of FD and its impact on the outcome in patients undergoing ventricular tachycardia (VT) ablation have not been thoroughly studied. Methods and Results We studied consecutive patients undergoing post-myocardial infarction VT ablation with pre-procedural cardiac ... Read more >>

J Am Heart Assoc (Journal of the American Heart Association)
[2019, 8(15):e012482]

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Ivabradine in Post-operative Junctional Ectopic Tachycardia (JET): Breaking New Ground.

Mani Ram Krishna, Mohammed Farooq Kunde, Raman Krishna Kumar, Seshadri Balaji,

Junctional ectopic tachycardia (JET) is the commonest tachyarrhythmia in the early post-operative period in children undergoing open-heart surgery. It frequently leads to hemodynamic instability and needs to be managed aggressively. Amiodarone is the first-line agent along with non-pharmacological interventions. We report our initial experience with the use of Ivabradine in ... Read more >>

Pediatr Cardiol (Pediatric cardiology)
[2019, 40(6):1284-1288]

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Tachycardia-induced cardiomyopathy in a patient with left-sided accessory pathway and left bundle branch block: A case report.

Ioan Alexandru Minciuna, Mihai Puiu, Gabriel Cismaru, Gabriel Gusetu, Horatiu Comsa, Bogdan Caloian, Dumitru Zdrenghea, Dana Pop, Rosu Radu,

RATIONALE:Tachycardia-induced cardiomyopathy (TIC) is defined as systolic and/or diastolic dysfunction of the left ventricle resulting from prolonged elevated heart rates, completely reversible upon control of the arrhythmia. Atrioventricular reentrant tachycardia (AVRT) is one of the most frequent causes of TIC. In its incessant form, it is unlikely to be controlled ... Read more >>

Medicine (Baltimore) (Medicine)
[2019, 98(32):e16642]

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Clinical and Electrophysiological Correlates of Incessant Ivabradine-Sensitive Atrial Tachycardia.

Bharatraj Banavalikar, Jayaprakash Shenthar, Deepak Padmanabhan, Sanjai Pattu Valappil, Sinam Inaoton Singha, Anju Kottayan, Milan Ghadei, Muzaffar Ali,

BACKGROUND:Incessant focal atrial tachycardia (FAT), if untreated, can lead to ventricular dysfunction and heart failure (tachycardia-induced cardiomyopathy). Drug therapy of FAT is often difficult and ineffective. The efficacy of ivabradine has not been systematically evaluated in the treatment of FAT. METHODS:The study group consisted of patients with incessant FAT (lasting ... Read more >>

Circ Arrhythm Electrophysiol (Circulation. Arrhythmia and electrophysiology)
[2019, 12(8):e007387]

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Lateral tunnel Fontan atrial tachycardia ablation trans-baffle access is not mandatory as the initial strategy.

Abhishek Bhaskaran, Sachin Nayyar, Pradeepkumar Charla, Yawer Saeed, Shouvik Haldar, Andreu Porta-Sánchez, Priyanka Kugamoorthy, Amanvir Hans, Christian Jons, Erwin Oechslin, Edward Hickey, Louise Harris, Candice Silversides, S Lucy Roche, Eugene Downar, Kumaraswamy Nanthakumar, Krishnakumar Nair,

BACKGROUND:Mapping and ablation of atrial tachycardia (AT) is commonly performed in lateral tunnel Fontan (LTF) patients, yet there is little information on the need of baffle puncture to access the pulmonary venous atrium (PVA). This study aimed to evaluate the most common chamber location of critical sites for majority of ... Read more >>

J Interv Card Electrophysiol (Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing)
[2019, :]

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An advanced algorithm for the online detection of abnormal and late potentials during sinus rhythm in the setting of ventricular tachycardia ablation.

Antonio Frontera, Caterina Bisceglia, Paolo Della Bella,

Europace (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)
[2019, 21(Supplement_3):iii27-iii28]

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