How is Lown-Ganong-Levine syndrome (LGL) initially treated?

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

Because Lown-Ganong-Levine syndrome (LGL) is an outdated diagnosis, no specific therapy is indicated, although there should be a focus on preventing tachyarrhythmias via the acessory pathway. [1] In the acute setting of tachycardia, the goals of medical care include identifying the cause of tachycardia and, in symptomatic cases, controlling the ventricular rate. [30] Treatment should be based on the cause of tachycardia. As with any tachycardia, hospitalization is warranted in cases of hemodynamic instability.

To summarize:

  • Admit patients in unstable condition to telemetry
  • Institute pharmacologic therapy as dictated by symptoms and documented tachycardia
  • Obtain a cardiology consultation (see Consultations)
  • Consider exercise treadmill testing if tachycardia is induced by exercise

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