Hip Fractures / Osseous Evidence: confirmed

Patellar-Pubic Percussion Test Special Test

Orthopedic Physical Examination & Clinical Assessment Guide

Patellar-Pubic Percussion Test Orthopedic Special Test

What is it used for?

  • Detecting Occult Hip Fractures when X-rays are negative.

How to Perform

  • Position: Patient supine. Place stethoscope on the pubic symphysis.
  • Action: Tap (percuss) the patella of the affected leg.

Interpretation of Results

  • Positive Test: Sound is dull or diminished on the affected side (fracture disrupts sound transmission).
  • Negative: Sound is distinct and crisp (equal to healthy side).

Diagnostic Accuracy

  • Sensitivity: 96%
  • Specificity: 76%

References

  • Magee, D. J. (2021). Orthopedic Physical Assessment.