The aim of the present study was to evaluate the QT interval in patients with renovascular hypertension (RV), before and after endovascular revascularization (balloon renal-artery angioplasty with or ...

We evaluated the incidence of early repolarization among 1395 controls who were representative of the general population and 15 patients classified as having idiopathic ventricular fibrillation, ...

Ventricular repolarization (VR) is a crucial step in cardiac electrical activity because it corresponds to a recovery period setting the stage for the next heart contraction. Small perturbations of ...

Romano-Ward syndrome, the most common congenital long QT disorder, often causes exertion- or stimulus-triggered syncope and ...

A 62 year old male with a history of hypertension presents to his primary care physician for a routine check-up. His blood pressure is 220/110. He admits to not taking his blood pressure medications ...