In an original article recently published in Revista Española de Cardiología, Muñoz-Esparza et al.1 report their observations on the value of the 'stand-up' test in the diagnosis of long QT syndrome (LQTS) and its usefulness in guiding patient . Schwartz PJ, Priori SG, Napolitano C . How really rare are rare diseases?: the intriguing case of independent compound mutations in the long QT syndrome.J Cardiovasc Electrophysiol. 2003; 14:1120–1121.CrossrefMedlineGoogle Scholar . Background— The prevalence of genetic arrhythmogenic diseases is unknown. For the long-QT syndrome (LQTS), figures ranging from 1:20 000 to 1:5000 were published, but none was based on actual data Congenital long QT syndrome (LQTS) is one of the most common cardiac channelopathies and is characterized by prolonged ventricular repolarization and life-threatening arrhythmias. The mortality is high among untreated patients. Here we review the molecular determinants, pathogenesis, and pharmacology of congenital Long QT Syndrome. We examine mechanisms of dysfunction associated with three critical cardiac currents that comprise the majority of congenital . 10 時間前 - To me, it really does not matter where I am or whom I am with, as long as I am into the music, I will get up and dance. . This function requires the value type to have an implementation of 2019 The Qt Company Ltd. Internally, QList is represented as an array of T* and the . After all, they may ask, how many contemporary jobs really require such archaic forms of writing? . By this logic, a .