Vascular Sign of Narath

What is this?

This is a test to elicit the presence of head of the femur.

Procedure

  1. Patient supine
  2. Palpate the femoral artery pulse bilaterally for volume, intensity and position

Findings

  1. Normally Volume, intensity, and position of the femoral artery pulse are palpable bilaterally.
  2. In case of Hip Dislocation Head of the femur displaced from it’s position and femoral artery lost it’s bony support. So there will be great difficulty in feeling femoral artery.

Positive Test

  1. If the femoral pulses are not palpable – Hip dislocation
  2. If the femoral pulses are feeble – Fracture neck of femur

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