Medicine In a patient with history of recurrent syncope, Holter recording shows QT interval of 680msec. Which disease is suspected in this patient? A Long QT syndrome B Brugada syndrome C Arrhythmogenic RV dysplasia D Lev's disease 💡 Explanation In a patient with history of recurrent syncope, Holter recording shows QT interval of 680msec. Which disease is suspected in this patient? ✓ Correct Answer: A. Long QT syndrome