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Active clinical trials for "Arrhythmias, Cardiac"

Results 141-150 of 689

Atrial Fibrillation and Diabetes Mellitus

Atrial FibrillationArrhythmias4 more

Single center prospective study to analyze the impact of diabetes mellitus on patients' outcome following radiofrequency-guided catheter ablation for atrial fibrillation.

Recruiting9 enrollment criteria

QT Changes as Detected From LINQ ECG During and After Antiarrhythmic Loading (LINQ QT)

Atrial ArrhythmiaQT Interval3 more

The LINQ QT Study is a prospective, non-randomized, multi-center, observational, post-market clinical study investigating QT interval changes due to antiarrhythmic drug loading.

Recruiting9 enrollment criteria

Development of a New Impedance Mapping System for Ablation of Atrial Arrhythmias in Patients

Atrial Fibrillation and FlutterAtrial Arrhythmia1 more

Precise identification of the atrial fibrosis is essential for successful catheter ablation of atrial arrhythmias in patients with atrial fibrillation. Voltage mapping of endocardial electrograms is currently used to delineate the anatomical substrate, but this is influenced by the direction of the activation wave front and is limited by the patient-specific thresholds. Mapping of local myocardial electrical impedance may overcome these limitations.

Recruiting6 enrollment criteria

Repaired Tetralogy of Fallot Italian Registry

Tetralogy of FallotCardiac Death3 more

The CMR/CT WG of the Italian pediatric cardiology society set up a multi-center observational clinical database of repaired-TOF evaluated. This registry will enroll prospectively patients evaluated by CMR for clinical indication in most of the CHD Italian centers. Data collection will include surgical history, clinical data, imaging data, and also adverse cardiac events for a period of 6 years.

Recruiting4 enrollment criteria

Electrophysiology of Fetal Arrhythmia

Fetal Arrhythmia

Fetal research and clinical practice has been hampered by a lack of suitable investigational techniques. Currently, ultrasound is the only widely used method of studying fetal anatomy and physiology, but it has significant limitations for assessment of cardiac rhythm. The proposed study will allow the investigators to evaluate fetal magnetocardiography (fMCG) as a new tool for the study of normal and abnormal fetal heart rate and rhythm.

Recruiting4 enrollment criteria

Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal Demise

High Risk PregnancyCongenital Heart Disease16 more

Each year world-wide, 2.5 million fetuses die unexpectedly in the last half of pregnancy, 25,000 in the United States, making fetal demise ten-times more common than Sudden Infant Death Syndrome. This study will apply a novel type of non-invasive monitoring, called fetal magnetocardiography (fMCG) used thus far to successfully evaluate fetal arrhythmias, in order to discover potential hidden electrophysiologic abnormalities that could lead to fetal demise in five high-risk pregnancy conditions associated with fetal demise.

Recruiting19 enrollment criteria

Use of "iSuite" During CMR-guided Electrophysiological Procedures

Cardiac Arrhythmia

The perpuse of this study is to investigate the feasibility of the Philips interventional MRI suite "iSuite" to create an electroanatomical map of the heart based on which the real-time location of the catheters can be correctly and reliably visualized during CMR-guided electrophysiological procedure (CMR-EP).

Recruiting5 enrollment criteria

Arrhythmias in Pulmonary Hypertension Assessed by Continuous Long-term Cardiac Monitoring

Pulmonary HypertensionArrhythmias2 more

Arrhythmias are considered a prominent phenomenon in pulmonary hypertension (PH) as the disease progresses. According primarily to retrospective studies with up to 24 hours of monitoring, supraventricular tachycardias (SVT) can be found in 8-35% of patients, with significant impact on survival. Furthermore, a few prospective studies to date deploying short-term monitoring (10 minutes-24 hours) have revealed lower heart rate variability (HRV) in patients with pulmonary arterial hypertension (PAH). In ASPIRE arrhythmias and heart rate variability is being assessed via long term monitoring.

Recruiting19 enrollment criteria

Biobank for "Arrhythmia and Conduction Disorders: TowArd Pathophysiology Based Treatment"

ArrythmiaConduction Disorder1 more

The 'ADAPT' Biobank is a collection of body material and data from patients with or at risk of cardiac arrhythmias who underwent or will undergo (non-) invasive treatment for this disease. Its main objective is to obtain a comprehensive collection of patient information and material to facilitate research and gain better insight into the complex pathophysiology of the different arrhythmias, the multifactorial process, the heterogeneity in clinical presentation, and prognosis. Bodily material is used for biochemical marker assessments, histological and molecular analyses for research in cardiac arrhythmias.

Recruiting31 enrollment criteria

Genetics of Cardiovascular and Neuromuscular Disease

CardiomyopathyArrhythmia1 more

We are studying the genetics of human cardiovascular and neuromuscular disease. There are many different genetic regions that have been associated with the development of cardiomyopathy. An equal number of genetic regions have been associated with muscular dystrophy and there is overlap because some of the identical genes, when mutated, produce both cardiomyopathy and muscular dystrophy. We are working to identify genes and gene mutations associated with cardiomyopathy, arrhythmias and muscular dystrophy. We propose to screen these samples for mutations in genes known to be involved in these disorders.

Recruiting2 enrollment criteria
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