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Structural Heart Disease
Structural Heart Disease

Pericardial Effusion

On this page:Diagnosis


  • ECG Findings in Pericardial Effusion

  • Sinus tachycardia
  • Low voltage (reduced QRS amplitude)
  • Electrical alternans - variation of the QRS amplitude between beats (thought to be due to swinging of the heart while suspended in fluid)
  • A low voltage ECG trace
  • A low voltage ECG trace
  • Electrical alternans
  • Electrical alternans
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