Ottawa Knee Rules
Original Editor - Heather Paulis
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Purpose
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To determine if radiographs are needed after knee trauma
Technique[1]
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Radiographs should be ordered if one of the following is present
- 55 years
- Isolated patellar tenderness without other bone tenderness
- Tenderness of the fibular head
- Inability to flex the knee > 90 degrees
- Inability to bear weight immediately after injury and in the emergency department (4 steps) regardless of limping.
Evidence[1][edit | edit source]
Sensitivity= 1.0 -LR= 0
Specificity= .49-.56 +LR = 1.9-2.3
Resources[edit | edit source]
Eur Radiol. 2002 May;12(5): 1218-20 Epub 2001 Nov 14.
Recent Related Research (from Pubmed)[edit | edit source]
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References[edit | edit source]
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