Background: Mobile devices are gaining a rising number of users in all countries around the
globe. Novel solutions to diagnose patients with out-of-hospital onset of arrhythmic …

Aims Mobile, portable ECG-recorders allow the assessment of heart rhythm in out-of-
hospital conditions and may prove useful for monitoring patients with cardiovascular …

Background: In order to achieve optimal outcomes when treating ventricular
tachyarrhythmias with implantable devices, it is extremely important to identify parameters …

Introduction: Tumor necrosis factor (TNF), a pro-inflammatory cytokine, can be produced by
cardiomyocytes, leading to metabolic disorders in the myocardium. The objective of this …

Background: Patients with implantable cardioverter‑defibrillators (ICDs) may experience
recurrent arrhythmic events (AE). Identification of these patients may help plan further …

Structural, hemodynamic, and morphological cardiac changes following Fontan operation
(FO) can contribute to the development of arrhythmias and conduction disorders. Sinus node …

Background and aim: The aim of the study was to evaluate early effectiveness of
radiofrequency (RF) current ablation for idiopathic ventricular arrhythmia (iVA) in children …

Background: The study was conducted to investigate the implications of anthropometry in
school-aged children on the degree of respiratory sinus arrhythmia observed in clinical …

Background: Electrocardiographic (ECG) examination has long been used to assess
cardiovascular function in clinical practice. Age-related ECG changes are observed as the …

Background: Experimental studies have shown cardiovascular effects of electromagnetic
fields (EMF) emitted by mobile phones (eg, prolonged QTc interval and abnormal blood …