Cetin, MYildirimer, MÖzen, STanriverdi, SCoskun, S2024-07-182024-07-181687-9635http://akademikarsiv.cbu.edu.tr:4000/handle/123456789/6576HINDAWI LTDArticleLong QT syndrome develops for a number of reasons. The number of non-antiarrhythmic drugs reported to induce QT interval prolongation with or without torsade de pointes continues to increase. Clarithromycin is a macrolide antibiotic being increasingly used for the treatment of atypical pneumonia. In this paper, we describe a patient who developed long QT prolongation syndrome after receiving clarithromycin for the treatment of atypical pneumonia.