For citations:

Fedorova T.V., Omelchenko N.V., Urvantseva I.A., Gunchenko N.D. A CLINICAL CASE OF COMBINATION OF LONG QT INTERVAL, ATRIOVENTRICULAR BLOCK, AND POLYMORPHIC VENTRICULAR TACHYCARDIA AS A MANIFESTATION OF FATAL ORPHAN HEREDITARY DISEASE. Journal of Arrhythmology. 2015;(80):57-62. (In Russ.)