Exam

Duroziez's Sign

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Duroziez's Sign, Duroziez's Murmur

  • Pathophysiology
  1. Antegrade followed by retrograde vessel flow
  • Technique
  1. Stethoscope bell used to compress femoral artery
  2. Start off listening, and gradually increase pressure
  • Interpretation
  1. Positive sign: 2 murmurs, 1 following another
  2. Results in to-and-fro sound
  • Etiologies
  1. Aortic Regurgitation
  2. Other conditions with high Pulse Pressure
    1. Essential Hypertension
    2. Thyrotoxicosis
    3. Anemia