Key result
Intermittent pre-excitation still carries risk, often warranting EPS to assess anterograde conduction properties.
Why the study?
Intermittent pre-excitation carries risk and there is little consensus regarding the long-term risk and management of patients without symptomatic tachyarrhythmia.
Does an electrophysiological study help risk-stratify symptomatic patients with intermittent pre-excitation?
Case Report (n=1)
Does an electrophysiological study help risk-stratify symptomatic patients with intermittent pre-excitation?
Symptomatic patients with intermittent pre-excitation should still be considered for electrophysiological testing as they may harbor high-risk accessory pathway properties.
Answers are grounded in this paper and cite their sources.
May support EPS for risk stratification in symptomatic intermittent pre-excitation; hypothesis-generating and requires prospective validation.
CASE SUMMARY: A 41-year-old man without any medical history presents to the emergency department with acute, episodic palpitations. Initial work-up with laboratory testing yielded negative results. Electrocardiography revealed sinus rhythm with intermittent pre-excitation. The patient was discharged home with follow-up. TAKE-HOME MESSAGE: Intermittent pre-excitation still carries risk, often leading to consideration of an electrophysiological study to determine the presence of clinically significant anterograde conduction properties.
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Powar et al. (2026) conducted a case report in Intermittent pre-excitation (n=1). Electrophysiological study (EPS) was evaluated. Intermittent pre-excitation still carries risk, often warranting an electrophysiological study to determine clinically significant anterograde conduction properties.
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