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Related Experiment Videos

The hyperkalemic Brugada sign.

Laszlo Littmann1, Michael H Monroe, Lee Taylor

  • 1Department of Internal Medicine, Carolinas Medical Center, Charlotte, NC 28232, USA. laszlo.littmann@carolinashealthcare.org

Journal of Electrocardiology
|December 26, 2006
PubMed
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Hyperkalemia can cause a Brugada pattern on ECGs, distinct from genetic Brugada syndrome. Recognizing this pattern in critically ill patients is crucial for timely hyperkalemia treatment.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Internal Medicine

Background:

  • Hyperkalemia is occasionally linked to Brugada pattern on ECGs.
  • Specific features of hyperkalemic Brugada sign remain undescribed.

Observation:

  • A case series of hyperkalemic patients with Type I Brugada pattern was analyzed.
  • Literature review identified additional cases for comprehensive analysis.

Findings:

  • Nine new cases and 15 literature cases of hyperkalemic Brugada sign were identified.
  • Patients were predominantly male, critically ill, with severe hyperkalemia (mean 7.8 mEq/L).
  • ECGs showed wide QRS (144 ms), abnormal axis, and wide complex rhythms without P waves.

Implications:

Related Experiment Videos

  • Hyperkalemic Brugada pattern differs significantly from genetic Brugada syndrome.
  • Prompt recognition aids in initiating urgent hyperkalemia management.
  • This distinct ECG pattern warrants consideration in critically ill patients with electrolyte abnormalities.