Cardiovascular Medicine Book




Duroziez's Sign

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

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