• European Heart Rhythm Association (EHRA) consensus document on the management of supraventricular arrhythmias, endorsed by Heart Rhythm Society (HRS), Asia-Pacific Heart Rhythm Society (APHRS), and Sociedad Latinoamericana de Estimulación Cardiaca y Electrofisiologia (SOLAECE). (bmj.com)
  • Symptoms of abnormal heart rhythm are generally referred to as cardiac arrhythmias, with an abnormally slow rhythm being classified as a bradycardia and an abnormally rapid rhythm being referred to a tachycardia. (justia.com)
  • 5. Case C. L. Radiofrequency catheter ablation of arrhythmias in infants and small children // Progress in Pediatr Cardiol. (org.ua)
  • Atrioventricular nodal reentrant tachycardia (AVNRT) is one of the more common arrhythmias ablated in the U.S. There is an estimated 2-6% major and minor complication rate during electrophysiology (EP) studies with ablation. (heart-rhythm-center.com)
  • Sinoatrial node reentrant tachycardia (SANRT) is caused by a reentry circuit localised to the SA node, resulting in a P-wave of normal shape and size (morphology) that falls before a regular, narrow QRS complex. (wikipedia.org)
  • Atrioventricular node reentrant tachycardia (AVNRT) is a form of reentrant rhythm within the region of the atrioventricular (AV) node. (medscape.com)
  • Reentrant rhythms account for most episodes of supraventricular tachycardia (SVT) in children. (medscape.com)
  • it is not synonymous with AV node reentrant tachycardia (AVNRT) because the incidental finding of dual AV nodal physiology does not predict AVNRT in children and adolescents after successful accessory pathway ablation. (medscape.com)
  • Atrial tachycardia due to enhanced automaticity may be nonsustained but repetitive or it may be continuous or sustained, as in reentrant forms of atrial tachycardia. (medscape.com)
  • Reentrant atrial tachycardia is not uncommon in patients with a history of a surgically repaired atrial septal defect. (medscape.com)
  • Michiel J. Janse, MD, PhD Background Atrioventricular junctional (AV nodal) reentrant tachycardia can be cured by catheter ablation of the slow pathway, which is part of the reentrant circuit. (pdfkul.com)
  • HL double potentials were found along the Atrioventricular junctional reentrant tachycardia ~4 (AVJRT) can be cured by catheter ablation of 1k sites near the coronary sinus orifice.1-3 This technique damages the slow pathway, part of the reentrant circuit used by this tachycardia. (pdfkul.com)
  • An unusual case of non-reentrant atrioventricular nodal tachycardia. (jefferson.edu)
  • Focal atrial tachycardia as the sole mechanism for supraventricular tachycardia is relatively rare accounting for 10-15% of cases referred for catheter ablation. (acc.org)
  • Treatment of both ventricular and supraventricular tachycardias may be accomplished by a variety of approaches, including drugs, surgery, implantable pacemakers/defibrillators, and catheter ablation. (justia.com)
  • Surgical and catheter-based treatments, in contrast, will actually cure the problem, usually by ablating the abnormal arrhythmogenic tissue or accessory pathway responsible for the tachycardia. (justia.com)
  • The successful treatment of supraventricular and ventricular tachycardias by radiofrequency catheter ablation of accessory atrioventricular pathways is described in Kuck et al. (justia.com)
  • Catheter ablation of ventricular tachycardia in patients with structural heart disease using cooled radiofrequency energy: results of a prospective multicenter study. (vestar.ru)
  • Radiofrequency catheter ablation for the treatment of supraventricular tachycardias in children and adolescents. (vestar.ru)
  • 2. Tripathi A., Black G. B., Park Y. M., Jerrell J. M. Factors associated with the occurrence and treatment of supraventricular tachycardia in a pediatric congenital heart disease cohort // Pediatr Cardiol. (org.ua)
  • 3. Wong K. K., Potts J. E., Etheridge S. P., Sanatani S. Medications used to manage supraventricular tachycardia in the infant: a North American survey // Pediatr Cardiol. (org.ua)
  • While class I antiarrhythmic drugs are effective in treating this form of tachycardia, there is a reluctance to use these agents, especially in patients with structural heart disease, because of potential proarrhythmia or undesirable side effects-as seen in the cardiac arrhythmia suppression trial (CAST). (bmj.com)
  • Fetal supraventricular tachycardia (SVT), characterized by fetal heart rate between 220 and 260 bpm, is a rare but most commonly encountered fetal cardiac arrhythmia in pregnancy that may be associated with adverse perinatal outcome. (biomedcentral.com)
  • Patients were excluded if the diagnosis was atrial fibrillation or sinus tachycardia, and also when no arrhythmia ECG was recorded. (rcpjournals.org)
  • Atrioventricular nodal re-entrant tachycardia is an uncommon arrhythmia in children. (cambridge.org)
  • Azimilide Supraventricular Arrhythmia Program 3 (SVA-3) Investigators. (bvsalud.org)
  • 1- 3 Although patients with corrected tetralogy of Fallot achieve a good quality of life, late complications do occur in 10-15% at 20 years after the initial repair, of which the most important are right sided heart failure caused by pulmonary regurgitation and supraventricular or ventricular arrhythmia. (bmj.com)
  • The main pumping chamber, the ventricle, is protected (to a certain extent) against excessively high rates arising from the supraventricular areas by a "gating mechanism" at the atrioventricular node, which allows only a proportion of the fast impulses to pass through to the ventricles. (wikipedia.org)
  • Delayed termination and transformation of a supraventricular tachycardia-What is the mechanism? (jefferson.edu)
  • Optimal surface electrocardiogram lead for identification of the mechanism of supraventricular tachycardia in children. (medscape.com)
  • Supraventricular tachycardias: mechanism, diagnosis and therapy]. (nih.gov)
  • Risk factors for successful monotherapy and risk factors for readmission for supraventricular tachycardia for patients discharged on monotherapy were determined. (nih.gov)
  • 2015 ACC/AHA/HRS guideline for the management of adult patients with supraventricular tachycardia: a report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. (bmj.com)
  • In patients with frequent or incessant tachycardias, a decline in effort tolerance and symptoms of heart failure may represent early manifestations of tachycardia-induced cardiomyopathy. (medscape.com)
  • In patients with multifocal atrial tachycardia (MAT), the history may disclose an underlying illness that is causing the tachycardia. (medscape.com)
  • Fifty one patients with electrically inducible atrioventricular re-entrant tachycardia were allocated to one of five doses of dofetilide (1.5, 3, 6, 9, and 15 μg/kg), two thirds of the dofetilide dose being given over a 15 minute loading period and the remainder over a 45 minute maintenance period. (bmj.com)
  • MAIN OUTCOME MEASURE Responders were defined as patients in whom dofetilide prevented reinduction of atrioventricular re-entrant tachycardia at the end of the infusion. (bmj.com)
  • Treatment related side effects were reported in four patients, one with a new sustained incessant supraventricular tachycardia. (bmj.com)
  • CONCLUSIONS Dofetilide shows promise as an agent for the prevention of atrioventricular re-entrant tachycardia in patients without structural heart disease. (bmj.com)
  • Our goal in this study was to assess the efficacy of intravenous dofetilide, in five different dosing regimens, for treating patients with inducible atrioventricular re-entrant tachycardia, by determining its ability to prevent reinduction of the tachycardia. (bmj.com)
  • Patients with suspected supraventricular or ventricular tachyarrhythmias, or both, were referred for a routine electrophysiological evaluation. (bmj.com)
  • (4) In three large series of patients undergoing ablation for focal pulmonary vein tachycardia, the reported development of atrial fibrillation post ablation is low. (acc.org)
  • 2019 ESC Guidelines for the management of patients with supraventricular tachycardia: The Task Force for the management of patients with supraventricular tachycardia of the European Society of Cardiology (ESC). (empendium.com)
  • Are patients admitted to emergency departments with regular supraventricular tachycardia (SVT) treated appropriately? (rcpjournals.org)
  • A history of previous SVT, the mode of tachycardia termination, patient age and/or comorbidities were similar for the 27 (23.5%) patients who were admitted overnight. (rcpjournals.org)
  • 5 It is sometimes possible for patients to terminate the tachycardia themselves by simple manoeuvres that change the properties of the AV node. (rcpjournals.org)
  • Nowadays, flecainide is recommended as one of the first line therapies for pharmacological conversion as well as maintenance of sinus rhythm in patients with atrial fibrillation and/or supraventricular tachycardias. (wjgnet.com)
  • Recent data support the role of flecainide in preventing ventricular tachyarrhythmias in patients with catecholaminergic polymorphic ventricular tachycardia associated both with ryanodine receptor and calsequestrin mutations. (wjgnet.com)
  • In patients with a 2:1 conduction ratio, the electrocardiographic findings often suggest a mild sinus tachycardia with first-degree atrioventricular block. (medscape.com)
  • A total of 24 tachycardia episodes with rapid ventricular response were detected in 7 patients. (fortunejournals.com)
  • A total of 38 atrial tachycardia episodes were detected in 8 patients. (fortunejournals.com)
  • In previous studies, inappropriate shocks from supraventricular tachyarrhythmia have been reported in approximately 11.5% - 17.4% of patients with ICD implants [2,3]. (fortunejournals.com)
  • In nonacute settings, most patients with ventricular tachycardia have known or easily detectable cardiac disease, and the finding of ventricular tachycardia is an unfavorable prognostic sign. (health.am)
  • Safety of Adenosine for the Treatment of Supraventricular Tachycardia in Hospitalized Patients with COVID-19 Pneumonia. (jefferson.edu)
  • Self-administered intranasal etripamil using a symptom-prompted, repeat-dose regimen for atrioventricular-nodal-dependent supraventricular tachycardia (RAPID): a multicentre, randomised trial. (jefferson.edu)
  • We analyzed the clinical and electrophysiological features, and the final outcome, in 19 children affected by typical atrioventricular nodal re-entrant tachycardia diagnosed by a transoesophageal electrophysiological study. (cambridge.org)
  • Our data indicates a relatively benign outcome in this group of children and adolescents with atrioventricular nodal re-entrant tachycardia. (cambridge.org)
  • In the clinical setting, the distinction between narrow and wide complex tachycardia (supraventricular vs. ventricular) is fundamental since they are treated differently. (wikipedia.org)
  • In the less common situation in which a wide-complex tachycardia may be supraventricular, a number of algorithms have been devised to assist in distinguishing between them. (wikipedia.org)
  • Wide complex tachycardia: AF with aberrations and AF with WPW . (wikidoc.org)
  • Most have a narrow QRS complex, although, occasionally, electrical conduction abnormalities may produce a wide QRS complex that may mimic ventricular tachycardia (VT). (wikipedia.org)
  • However, in rapid atrial tachycardias with variable atrioventricular (AV) conduction and in MAT, the pulse may be irregular. (medscape.com)
  • The distinction from aberrant conduction of supraventricular tachycardia may be difficult. (health.am)
  • In most atrial tachycardias, the rate is regular. (medscape.com)
  • Resumption of normal or near normal left ventricular function following resolution of the tachycardia establishes the diagnosis. (wikidoc.org)
  • Supraventricular tachycardia: An overview of diagnosis and management. (nih.gov)
  • IST is a diagnosis of exclusion and extensive evaluation to identify secondary causes of sinus tachycardia should be performed. (medscape.com)
  • The Flecainide Supraventricular Tachycardia Study Group. (bvsalud.org)
  • Flecainide is an IC antiarrhythmic drug approved in 1984 from Food and Drug Administration for the suppression of sustained ventricular tachycardia and later for acute cardioversion of atrial fibrillation (AF) and for sinus rhythm maintenance. (encyclopedia.pub)
  • Flecainide was first synthesized in 1972 and approved in 1984 from the Food and Drug Administration (FDA) for the suppression of sustained ventricular tachycardia [ 1 ] and later for acute cardioversion of AF and for sinus rhythm maintenance. (encyclopedia.pub)
  • Pharmacological treatment of supraventricular tachycardia remains a common approach despite the increased use of radiofrequency ablation. (bmj.com)
  • Of particular interest to the present invention are radiofrequency ablation protocols which have proven to be highly effective in tachycardia treatment while exposing the patient to minimum side effects and risks. (justia.com)
  • 2. Connors S.P., Vora A., Green M.S., Tang A.S. Radiofrequency ablation of atrial tachycardia originating from the triangle of Koch. (vestar.ru)
  • Key Words * atrioventricular node * tachycardia reentry * action potentials * radiofrequency ablation tissues of origin of these potentials. (pdfkul.com)
  • Atrial fibrillation (AF) is a supraventricular tachyarrhythmia characterized by uncoordinated atrial activation with consequent deterioration of atrial mechanical function. (nih.gov)
  • An atrial sensing mode that can differentiate supraventricular tachyarrhythmia (SVT) from ventricular tachyarrhythmia (VT) will reduce the risk of inappropriate shocks [4-6]. (fortunejournals.com)
  • This electrocardiogram is from a 10-year-old who is in sinus rhythm until a junction escape beat initiates a 5-beat run of supraventricular tachycardia. (medscape.com)
  • In a patient with supraventricular tachycardia (SVT), the presence of warm-up phenomenon on an electrocardiogram (eg, on Holter monitoring) suggests that the SVT is atrial tachycardia. (medscape.com)
  • Figures 1 and 2 demonstrate a 12-lead electrocardiogram with bursts of atrial tachycardia and sinus rhythm. (acc.org)
  • When atrial flutter is conducted to the ventricle in a 1:1 fashion, the electrocardiogram may resemble ventricular tachycardia. (medscape.com)
  • Sinus tachycardia is commonly encountered in clinical practice and when persistent, can result in significant symptoms and impaired quality of life, warranting further evaluation. (medscape.com)
  • Prior Holter monitoring demonstrated episodes of atrial fibrillation as well as an atrial tachycardia. (acc.org)
  • (2) Although relatively rare, sustained episodes of focal atrial tachycardia may lead to a rate related cardiomyopathy. (acc.org)
  • During a mean follow-up period of 41 months, 2 children with rare, but sustained, episodes of tachycardia that initially had not been treated were submitted to radiofrequency transcatheter ablation. (cambridge.org)
  • Among children treated pharmacologically, 1 teenager was submitted to radiofrequency transcatheter ablation on the basis of parental choice, 3 children have discontinued medical therapy recording only sporadic episodes of tachycardia, and 2 children are still treated with antiarrhythmic drugs. (cambridge.org)
  • Nine of 21 tachycardia episodes were evaluated as VT by SMART algorithm. (fortunejournals.com)
  • Twelve tachycardia episodes were evaluated as SVT by the algorithm. (fortunejournals.com)
  • Supraventricular tachycardia (SVT) is an abnormally increased heart rate (over 100 beats per minute at rest) with origin above the level of the ventricles. (nih.gov)
  • In this review, we focus on two challenging problems that span the spectrum of abnormally fast sinus HR. The first section reviews inappropriate sinus tachycardia, a complex disorder characterized by rapid sinus HR without a clear underlying cause, with particular emphasis on current management options. (medscape.com)
  • The primary treatment for a tachycardia induced cardiomyopathy is correct the underlying tachycardia. (wikidoc.org)
  • Ventricular tachycardia is a frequent complication of acute myocardial infarction and dilated cardiomyopathy but may occur in chronic coronary disease, hypertrophic cardiomyopathy, mitral valve prolapse, myocarditis, and in most other forms of myocardial disease. (health.am)
  • Weber R, Letsas KP, Arentz T, Kalusche D. Adenosine sensitive focal atrial tachycardia originating from the non-coronary aortic cusp. (medscape.com)
  • Despite an irregularly irregular rhythm, the patient in our case suffers from a focal atrial tachycardia. (acc.org)
  • (3) In this series, focal ablation of either the earliest activation site at the os of the vein, or circumferential ablation of the culprit vein resulted in favorable long term freedom from recurrent atrial tachycardia, and atrial fibrillation. (acc.org)
  • The Pediatric Health Information System database was queried over 10 years for infants with supraventricular tachycardia initiated on enteral digoxin or propranolol monotherapy. (nih.gov)
  • 1. Weindling S. N., Saul J. P., Walsh E. P. Efficacy and risks of medical therapy for supraventricular tachycardia in neonates and infants // Am Heart J. - 1996. (org.ua)
  • OBJECTIVE To assess the efficacy and safety of intravenous dofetilide in preventing induction of atrioventricular re-entrant tachycardia. (bmj.com)
  • In general, a history of structural heart disease markedly increases the likelihood that the tachycardia is ventricular in origin. (wikipedia.org)
  • Zellner JL, Spinale FG, Eble DM, Hewett KW, Crawford FA Jr.. Alterations in myocyte shape and basement attachment with tachycardia-induced heart failure. (wikidoc.org)
  • The presence of arrhythmogenic sites or accessory pathways can bypass or short circuit the normal pathways, potentially resulting in very rapid heart contractions, referred to as tachycardias. (justia.com)
  • Digoxin or propranolol are used as first-line enteral agents for treatment of infant supraventricular tachycardia. (nih.gov)
  • Digoxin or propranolol may be equally efficacious for inpatient treatment of infant supraventricular tachycardia. (nih.gov)
  • The present invention is concerned with the treatment of tachycardias which are frequently caused by the presence of an "arrhythmogenic site" or "accessory atrioventricular pathway" close to the inner surface of one of the chambers of the heart. (justia.com)
  • In this article we analyzed our own experience of the treatment of supraventricular tachycardia in children of the first year of life. (org.ua)