Ailoaei Ștefan, Țăpoi LC, Culică M, et al. Sick sinus syndrome - a case report of paroxysmal supraventricular tachycardia due to atrioventricular node re-entry. Arch Clin Cases. 2017;4(2):Arch Clin Cases 2017; 4(2):124-130. doi:10.22551/2017.15.0402.10104