POWAY, CA—Vitrek, a provider of high-voltage test and measurement equipment, introduces QT Enterprise, a major upgrade to its PC-based software designed to control operation of the company’s ...

Rochester, MN - An epinephrine stress test could potentially play an important diagnostic role in patients with suspected long-QT syndrome (LQTS), especially the many who have a normal resting ...

Long QT syndrome (LQTS) is potentially lethal if left untreated. Accurate diagnosis is, therefore, vital. Patients with LQTS have impaired adaptation of the QT interval in response to changes in ...