View clinical trials related to Arrhythmias, Cardiac.
Filter by:BETAFLEC-CHIOS, is a single-center registry that was initiated in the "Skylitseion" General Hospital of Chios in January 2020 and is ongoing. The inclusion criterion is IV flecainide administration for recent-onset AF lasting less than 48 hours. Oral b-blockers are co-administered in all patients. The main exclusion criteria are severe structural or ischemic heart disease and conduction system dysfunction. Continuous monitoring is applied during and after administration of IV flecainide. If no conversion to sinus rhythm is achieved at 2 hours after flecainide infusion, the patient is recorded as "unsuccessful conversion attempt".
Smart phone-based applications to identify cardiac implantable electronic devices (CIED) are extremely useful in circumstances where urgent device interrogation is needed and device identification card is not available. Few studies have provided insight regarding the utility of these applications. We have studied two widely available applications i.e., Pacemaker ID app (PMIDa) or Cardiac Rhythm Management Devices-Finder (CRMD-f) to identiy device manufacturers in CIEDs.
Alternating Hemiplegia of Childhood (AHC) is a rare and severe disease that is in need of effective, and hopefully even curative, therapies. Afflicted patients suffer from severe paralyzing crises, often excruciatingly painful muscle spasms, severe often life threatening epileptic seizures, frequently severe developmental and psychiatric/psychological disabilities and other comorbidities, such as cardiac disturbances. Recent data indicate that AHC genotype is in relation to cardiac repolarization troubles and to cardiac arrhythmias. The primary hypothesis to explore is that there is an association between genotype and cardiac phenotype in AHC.
Research objective. - To study the associations between combinations of single nucleotide polymorphisms and behavioural risk factors with non-communicable diseases and adverse outcomes in women with premature ovarian failure. Research objectives: - To study the associations between combinations of single-nucleotide polymorphisms and behavioural risk factors with heart rate disorders and adverse outcomes in women with premature ovarian failure - Examine the associations between combinations of single nucleotide polymorphisms and behavioural risk factors with stable STIs in women with premature ovarian failure. - Examine the associations between combinations of single nucleotide polymorphisms and behavioural risk factors with thrombomolia in women with premature ovarian failure - Study the associations between combinations of single nucleotide polymorphisms and behavioural risk factors and adverse cardiovascular outcomes in women with premature ovarian failure.
Cardiac involvement has been described in Severe Acute Respiratory Syndrome - Coronavirus-2 (SARS-CoV-2) infection. Although there are no approved drugs to prevent or treat SARS-CoV-2 infection at present time, several medications used have the potential to increase QT interval and eventually provoke torsades de pointe. The investigators therefore create a study that include all patients with SARS-CoV-2 infection having an electrocardiogram (ECG). The investigators evaluate the percentage of patients with ECG abnormalities, describe the abnormalities and evaluate the occurrence of syncope, ventricular arrhythmia and corrected QT (cQT) interval modification in patients receiving treatment.
Sympathetic tone is important in cardiac arrhythmogenesis. The simultaneous recording of sympathetic nerve activity (SNA) and electrocardiogram (ECG) was obtained by invasive method. The purpose of this protocol is to further develop this recording method to turn it into a new non-invasive tool for arrhythmia prediction and detection. This method may also be useful in validating the results of surgical procedures aimed at sympathetic denervation
The aim of this prospective, single-arm, United States (US) multi-center, descriptive clinical study is to evaluate the safety of multiple access site closure in a single vein with the SMC System by scheduled DUS at discharge and at 30 days (if vascular complications observed at discharge) in asymptomatic or non-visible subjects.
This study included 189 newborns (77 male,112 female) diagnosed with arrhythmia in the NICU of Children's Hospital of Chongqing Medical University, China, from January 2015 through December 2019. To investigate the high-risk factors, clinical manifestations, and clinical outcomes of neonatal arrhythmia.
- Purpose of the study This study aimed to investigate electrocardiogram measurement and subthreshold low-level autonomic nerve stimulation using external auditory canal electrodes among healthy adult participants - Study design Prospective, single-center, interventional, single-arm design - Study participants A total of 12 healthy adult participants without cardiovascular diseases will be recruited. - Study methods 1. Participant enrollment Study participants will be recruited by advertisement posters announced at the lobby of the hospital 2. Evaluation of electrocardiogram measurement from external auditory canal electrodes Participants are required to attach specially designed external auditory canal electrodes to their both ears to record electrocardiogram. Both electrocardiogram from the precordium and the ear would be simultaneously recorded and compared. 3. Evaluation of low-level autonomic nerve stimulation using external auditory canal Using the electrodes described above, Arnold's nerve will be stimulated with low-level electric impulses using TENS device. During and after the stimulation, heart rate variability will be measured to investigate the impact of nerve stimulation on autonomic function modulation on the heart.
This research will investigate the PPG signal morphology related to physiological and non- physiological changes in arrhythmia-related heart rate as well as the performance of the PPG-based features previously developed within the framework of the Mini-Holter study to discriminate between several cardiac arrhythmias. To this end, clinical data will be recorded on patients by using a wrist-based PPG monitor simultaneously with 12-lead ECG and intracardiac electrogram (EGM) signals at the university hospital in Lausanne. Importantly, this study will remain purely observational as it will not change the diagnostic and therapeutic management of the included patients, nor will it interfere with the time course of the procedures. The aim of enHEART study is to validate on a larger database the ability of several previously developed PPG-based features to detect a variety of cardiac arrhythmias.