Diagnosis of a rare cause of arrhythmogenic syncope by means of an implantable loop recorder

![Graphic][1] A 39 year old woman was admitted for evaluation of recurrent syncope. A detailed workup, including invasive electrophysiological testing, was unremarkable. The patient initially refused implantation of a loop recorder, but finally agreed eight months later, after a further … [1]: /embed/graphic-1.gif