Why the study?
Does isoproterenol enhance anterograde conduction in a patient with intermittent preexcitation?
Population
A 29-year-old man with intermittent preexcitation and exertional syncope, with a single, left posterior…
Comparison
Intravenous administration of isoproterenol… vs Control state.
Design
Case_report
Authors
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Isoproterenol may unmask high-risk conduction in intermittent preexcitation; case report leaves open whether sympathetic challenge testing refines risk stratification.
Does isoproterenol enhance anterograde conduction in a patient with intermittent preexcitation?
Patients with intermittent preexcitation may still be at risk for serious arrhythmias under conditions of increased sympathetic tone, as demonstrated by marked enhancement of accessory pathway conduction with isoproterenol.
EASLEY et al. (1988) studied this question.
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