Sinus tachycardia (ST) is ubiquitous, but its presence outside of normal physiological
triggers in otherwise healthy individuals remains a commonly encountered phenomenon in …

Background: Postural tachycardia syndrome (POTS) is a complex syndrome of orthostatic
intolerance that significantly affects quality of life. The relationship between functional …

A16-year-old female underwent tilt table testing, which resulted positive for reflex
vasodepressive syncope. 12‑lead ECG during syncope showed T-wave inversion in infero …

Objectives The aim of this study was to compare the effects of aerobic+ interval exercise (AI)
and aerobic exercise (AE) on the cardiovascular functional state in a female cohort …

Electrocardiographic (ECG) changes during head-up tilt have been previously reported in
patients undergoing tilttable testing. For instance, in a large study including 150 patients with …

Abstract A 65-year-old woman, during an elective head up tilt test, after the sublingual nitrate
administration, experienced electrocardiogram alteration with ST elevation in the inferior …