What is the prevalence of Lown-Ganong-Levine syndrome (LGL)?

Updated: Dec 09, 2020
  • Author: Daniel M Beyerbach, MD, PhD; Chief Editor: Jose M Dizon, MD  more...
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Answer

Lown and associates described tachyarrhythmias in 17% of patients with Lown-Ganong-Levine syndrome who had a short PR interval. [4] Some 2-4% of the adult population has a PR interval less than or equal to 0.12 second. [24] Taken together, these data provide an estimate of the frequency of LGL as 0.5% of the adult population.

The incidence of paroxysmal supraventricular tachycardia appears to be about 11% in those with Lown-Ganong-Levine syndrome. [1]

The international frequency mirrors that in the United States.


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