Anxiety is associated with an increased risk of sudden death. QT dispersion is a marker of cardiac repolarization instability and is seen in conditions of high risk of sudden death. The purpose of this study was to evaluate autonomic nervous system control and QT dispersion in hypertensive subjects with anxiety symptoms. In a recent preliminary study, we observed that hypertensive individuals r...

We would like to thank the authors for the letter [1] regarding our manuscript entitled “Prolonged Tp-e interval and Tp-e/QT correlates well with modified Rodnan skin severity score in patients with systemic sclerosis” [2] published in “Cardiology Journal”. We would also like to thank the Editor for the opportunity to respond to this letter. In the study we aimed to evaluate Tp-e interval and T...

overview. The question arises why analysis of QT interval should be able to predict cardiac death. QT dispersion may be a composite term reflecting electrical inhomogeneity as a result of ischaemia, left ventricular dilatation, left ventricular hypertrophy, cardiac fibrosis, and autonomic neuropathy. Each one of these individually confers increased cardiac risk, and this may be why QT dispersio...

QT dispersion is defined as the difference between the maximum QT and minimum QT intervals on standard 12-lead electrocardiogram (ECG). It is a new index of the homogeneity of ventricular repolarization and considered to be a marker for the risk of malignant ventricular arrhythmia [1, 2]. There have been, however, no detailed studies except in myocardial infarction on QT dispersion using magnet...

OBJECTIVE To explore the hypothesis that patients with abnormal ventricular function have an altered electrophysiological response to physiological changes in ventricular filling which is not evident in people with normal ventricles. DESIGN The influence of an acute alteration in ventricular filling on dispersion of repolarisation, measured as QT dispersion, was examined in subjects with norm...

Objectives. Ulcerative colitis (UC) and Crohn's disease (CD) are chronic inflammatory bowel diseases (IBD) with unclear underlying aetiologies. Severe cardiac arrhythmias have been emphasised in a few studies on adult IBD patients. This study aimed to investigate the alteration of the P-wave and QT interval dispersion parameters to assess the risk of atrial conduction and ventricular repolarisa...