Key result
Fasciculoventricular bypass tracts are rare preexcitation variants that require specific electrocardiographic and electrophysiologic evaluation for accurate differential diagnosis.
Why the study?
Fasciculoventricular accessory pathways are rare variants of preexcitation whose differential diagnosis from other preexcitation variants can be challenging.
This case series highlights the specific electrocardiographic and electrophysiologic features to aid in the challenging differential diagnosis of rare fasciculoventricular accessory pathways.
May aid differential diagnosis of rare fasciculoventricular tracts; hypothesis-generating and requires validation in larger series.
Fasciculoventricular accessory pathways are rare variants of preexcitation. The differential diagnosis of fasciculoventricular accessory pathways from other preexcitation variants can be challenging. Based on two cases, we discuss the specific electrocardiographic and electrophysiologic features of fasciculoventricular bypass tracts.
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Asvestas et al. (2020) studied this question. Fasciculoventricular bypass tracts are rare preexcitation variants that require specific electrocardiographic and electrophysiologic evaluation for accurate differential diagnosis.
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