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The Prognostic Significance of Premature Ventricular Complexes in Patients Without Structural Heart Disease

2017-12-19 10:49:08 | BioPortfolio

Published on BioPortfolio: 2017-12-19T10:49:08-0500

Clinical Trials [1444 Associated Clinical Trials listed on BioPortfolio]

Effects of Carvedilol on Suppressing the Premature Ventricular Complex/Ventricular Tachycardia From Outflow Tract

Carvedilol is known to be effective in reducing ventricular arrhythmias and mortality in patients with heart failure. It is suggested that one of the mechanisms is its ability to block sto...

MANual vs. automatIC Local Activation Time Annotation for Guiding Premature Ventricular Complex Ablation

Current navigation systems incorporate algorithms for automatic identification of local activation time (LAT). However, data about their utility and accuracy in premature ventricular compl...

Relativity Study Between Idiopathic Ventricular Arrhythmia and Sex Hormone Levels in Different Stages of Menstrual Cycle

The purpose of this study is to determine whether the occurrence of idiopathic right ventricular outflow tract(RVOT) arrhythmia is relative to sex hormone levels in different stages of fe...

Optimal EGM Configuration for Morphology Discrimination

The study will be a prospective cohort study of 20 patients recruited from site's Defibrillator Clinic patient population who are followed at the site. Hypothesis: Among the available EGM...

Radiofrequency Ablation of Symptomatic Frequent Ventricular Premature Complexes in Pediatric Population

To evaluate the effectiveness and safety of catheter ablation of frequent symptomatic PVCs in the pediatric population as first-line therapy compared with antiarrhythmic drugs.

PubMed Articles [7812 Associated PubMed Articles listed on BioPortfolio]

Hemodynamic consequences of premature ventricular contractions Association of mechanical bradycardia and post-extrasystolic potentiation with premature ventricular contraction-induced cardiomyopathy.

relationships between hemodynamic consequences of premature ventricular contractions (PVCs) and development of PVC-induced cardiomyopathy (PVC-CM) have not been investigated so far.

Recurrent acute coronary syndrome, polymorphic premature ventricular complexes and a son with a (mis)diagnosis of multiple sclerosis.

Fluctuations in premature ventricular contraction burden can impact medical assessment and management.

Frequent premature ventricular contractions (PVCs) can cause disabling symptoms and decrease left ventricle ejection fraction. The PVC burden, typically quantified by a 24-hour monitor, is one of the ...

Novel method for the prediction of para-Hisian premature ventricular complexes from the electrocardiogram.

Catheter ablation of para-Hisian (PH) premature ventricular complexes (PVCs) has a high risk of heart block. This study aimed to find the electrocardiographic (ECG) predictors of PH-PVCs.

Catheter ablation of premature ventricular complexes arising from the left fascicular system.

Idiopathic premature ventricular complexes (PVCs) that originate from the left fascicular system have rarely been reported.

Medical and Biotech [MESH] Definitions

A type of cardiac arrhythmia with premature contractions of the HEART VENTRICLES. It is characterized by the premature QRS complex on ECG that is of abnormal shape and great duration (generally >129 msec). It is the most common form of all cardiac arrhythmias. Premature ventricular complexes have no clinical significance except in concurrence with heart diseases.

A group of cardiac arrhythmias in which the cardiac contractions are not initiated at the SINOATRIAL NODE. They include both atrial and ventricular premature beats, and are also known as extra or ectopic heartbeats. Their frequency is increased in heart diseases.

A type of cardiac arrhythmia with premature atrial contractions or beats caused by signals originating from ectopic atrial sites. The ectopic signals may or may not conduct to the HEART VENTRICLES. Atrial premature complexes are characterized by premature P waves on ECG which are different in configuration from the P waves generated by the normal pacemaker complex in the SINOATRIAL NODE.

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.

Onset of OBSTETRIC LABOR before term (TERM BIRTH) but usually after the FETUS has become viable. In humans, it occurs sometime during the 29th through 38th week of PREGNANCY. TOCOLYSIS inhibits premature labor and can prevent the BIRTH of premature infants (INFANT, PREMATURE).

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