Article
Differential Diagnosis Between Catecholaminergic Polymorphic Ventricular Tachycardia and Long QT Syndrome Type 1 - Modified Schwartz Score.
Circulation journal : official journal of the Japanese Circulation Society - 24 Aug 2018
Ozawa Junichi, Ohno Seiko, Fujii Yusuke, Makiyama Takeru, Suzuki Hiroshi, Saitoh Akihiko, Horie Minoru
Abstract excerpt
BACKGROUND: Catecholaminergic polymorphic ventricular tachycardia (CPVT) has been often misdiagnosed as long QT syndrome (LQTS) type 1 (LQT1), which phenotypically mimics CPVT but has a relatively better prognosis. METHODS AND RESULTS: The derivation and validation cohorts consisted of 146 and 21 patients, respectively, all of whom had exercise- or emotional stress-induced cardiac events. In the derivation...
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