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Evaluation of Inducible Monomorphic Ventricular Tachycardia (MMVT) in Patients With St. Jude Medical Implantable Cardioverter Defibrillator (ICD) Systems or Cardiac Resynchronization Therapy Defibrillation (CRT-D) Systems.

2015-10-26 14:18:50 | BioPortfolio

Published on BioPortfolio: 2015-10-26T14:18:50-0400

Clinical Trials [572 Associated Clinical Trials listed on BioPortfolio]

Substrate Targeted Ablation Using the FlexAbility™ Ablation Catheter System for the Reduction of Ventricular Tachycardia

To demonstrate that scar-based ventricular tachycardia (VT) ablation using the FlexAbility™ ablation catheter system results in a superior clinical outcome compared to routine drug thera...

Initial Management of Patients Receiving a Single Shock (IMPRESS)

The goal of this study is to determine the optimal treatment for patients who receive a single shock from their implantable cardioverter defibrillator (ICD). All participants in this study...

FLExAbility Sensor Enabled Substrate Targeted Ablation for the Reduction of VT Study

This clinical investigation is intended to demonstrate the safety and effectiveness of ventricular ablation therapy using the FlexAbility Sensor Enabled Ablation Catheter in patients with ...

Preventive aBlation of vEntricular tachycaRdia in Patients With myocardiaL INfarction

The BERLIN VT study is designed to evaluate the impact of prophylactic ventricular tachycardia (VT) ablation on all-cause mortality and unplanned hospital admission for congestive heart fa...

Modification of Rhythmic Risk Assessment by Ventricular Tachycardia Ablation

Sudden cardiac death is a frequent cause of cardiovascular mortality. Numerous rhythmic risk assessment criterion have been described targeting the substratum, the cardiac nervous tone or ...

PubMed Articles [10435 Associated PubMed Articles listed on BioPortfolio]

Update Ventricular Tachycardia.

Idiopathic ventricular tachycardia: Frequent monomorphic premature ventricular contractions or non-sustained ventricular tachycardia without underlying structural heart disease is not a rare condition...

Radiofrequency ablation of premature ventricular contractions originating from uncommon sites of right ventricle.

Premature Ventricular Contraction (PVC)/ventricular tachycardia (VT) with left bundle branch block (LBBB) morphology and inferior axis has been described classically to originate from the right ventri...

Prognostic Significance of Non-Sustained Ventricular Tachycardia Depends on Its Rate and DurationNon-sustained ventricular tachycardia episodes predict future hospitalization in ICD recipients with heart failure.

Different responses to exercise between Andersen-Tawil syndrome and catecholaminergic polymorphic ventricular tachycardia.

Andersen-Tawil Syndrome (ATS) and catecholaminergic polymorphic ventricular tachycardia (CPVT) are both inherited arrhythmic disorders characterized by bidirectional ventricular tachycardia (VT). The ...

Association of Regional Epicardial Right Ventricular Electrogram Voltage Amplitude and Late Gadolinium Enhancement Distribution on Cardiac Magnetic Resonance in Patients with Arrhythmogenic Right Ventricular Cardiomyopathy: Implications for Ventricular Tachycardia Ablation.

Criteria for identification of anatomic ventricular tachycardia (VT) substrates in arrhythmogenic right ventricular cardiomyopathy (ARVC) on late gadolinium enhancement (LGE) cardiac magnetic resonanc...

Medical and Biotech [MESH] Definitions

Implantable devices which continuously monitor the electrical activity of the heart and automatically detect and terminate ventricular tachycardia (TACHYCARDIA, VENTRICULAR) and VENTRICULAR FIBRILLATION. They consist of an impulse generator, batteries, and electrodes.

An abnormally rapid ventricular rhythm usually in excess of 150 beats per minute. It is generated within the ventricle below the BUNDLE OF HIS, either as autonomic impulse formation or reentrant impulse conduction. Depending on the etiology, onset of ventricular tachycardia can be paroxysmal (sudden) or nonparoxysmal, its wide QRS complexes can be uniform or polymorphic, and the ventricular beating may be independent of the atrial beating (AV dissociation).

A malignant form of polymorphic ventricular tachycardia that is characterized by HEART RATE between 200 and 250 beats per minute, and QRS complexes with changing amplitude and twisting of the points. The term also describes the syndrome of tachycardia with prolonged ventricular repolarization, long QT intervals exceeding 500 milliseconds or BRADYCARDIA. Torsades de pointes may be self-limited or may progress to VENTRICULAR FIBRILLATION.

Cardiac electrical stimulators that apply brief high-voltage electroshocks to the HEART. These stimulators are used to restore normal rhythm and contractile function in hearts of patients who are experiencing VENTRICULAR FIBRILLATION or ventricular tachycardia (TACHYCARDIA, VENTRICULAR) that is not accompanied by a palpable PULSE. Some defibrillators may also be used to correct certain noncritical dysrhythmias (called synchronized defibrillation or CARDIOVERSION), using relatively low-level discharges synchronized to the patient's ECG waveform. (UMDNS, 2003)

A potentially lethal cardiac arrhythmia characterized by an extremely rapid, hemodynamically unstable ventricular tachycardia (150-300 beats/min) with a large oscillating sine-wave appearance. If untreated, ventricular flutter typically progresses to VENTRICULAR FIBRILLATION.

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