Key result
Ventricular pacing (VVI) in two patients with unexplained syncope led to recurrent symptoms due to retrograde atrioventricular conduction during vasovagal responses.
Why the study?
Does ventricular pacing prevent recurrent syncope in patients with unexplained syncope?
Population
n=2 patients with unexplained syncope who received permanent demand ventricular pacing (VVI)
Design
Case_series
Authors
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VVI pacing may fail during vasovagal syncope via retrograde conduction; leaves open optimal device selection in recurrent unexplained syncope.
Case Report (n=2)
Does ventricular pacing prevent recurrent syncope in patients with unexplained syncope?
Ventricular pacing (VVI) can exacerbate symptoms in unexplained syncope due to retrograde AV conduction during vasovagal episodes, emphasizing the importance of tilt testing for accurate diagnosis.
Fitzpatrick et al. (1990) conducted a case report in Unexplained syncope (n=2). Permanent demand ventricular pacing (VVI) was evaluated on Recurrent syncope. Ventricular pacing (VVI) in two patients with unexplained syncope led to recurrent symptoms due to retrograde atrioventricular conduction during vasovagal responses.
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