Ottawa knee rules

The Ottawa Knee Rules are a set of rules used to help physicians determine whether an x-ray of the knee is needed.^[1]

They state that an x-ray is required only in patients who have an acute knee injury with one or more of the following:

Age 55 years or older
Tenderness at head of fibula
Isolated tenderness of patella
Inability to flex to 90°
Inability to bear weight both immediately and in the emergency department (4 steps)

References

This medical article is a stub. You can help Wikipedia by expanding it.

This medical diagnostic article is a stub. You can help Wikipedia by expanding it.

Orthopedic surgery, operations/surgeries and other procedures on bones and joints (ICD-9-CM V3 76–81, ICD-10-PCS 0P–S)

Facial	Jaw reduction Dentofacial osteotomy Genioplasty/Mentoplasty Chin augmentation Orthognathic surgery

Spine	Coccygectomy Laminotomy Laminectomy Laminoplasty Corpectomy Facetectomy Foraminotomy Vertebral fixation Percutaneous vertebroplasty

Upper extremity	Acromioplasty

Lower extremity	Femoral head ostectomy Astragalectomy Distraction osteogenesis Ilizarov apparatus

General	Ostectomy Bone grafting Osteotomy Epiphysiodesis Reduction Internal fixation External fixation

Medical imaging	Dual energy X-ray absorptiometry/Digital X-ray radiogrammetry pQCT Skeletal survey Bone scintigraphy

Spine	Arthrodesis Spinal fusion Intervertebral discs Discectomy Annuloplasty Arthroplasty Back examination Straight leg raise Waddell's signs Schober's test

Upper extremity	Shoulder surgery Shoulder replacement Bankart repair Weaver–Dunn procedure Ulnar collateral ligament reconstruction Hand surgery Brunelli procedure exam: Shoulder examination Jobe's test Adson's sign Elbow examination Elbow extension test Wrist examination Tinel sign/Phalen maneuver Finkelstein's test

Lower extremity	Hip resurfacing Hip replacement Rotationplasty Anterior cruciate ligament reconstruction Knee replacement/Unicompartmental knee arthroplasty Ankle replacement Broström procedure Triple arthrodesis exam: Hip examination Knee examination Drawer test Ballottement Ankle examination Simmonds' test CPRs: Pittsburgh knee rules Ottawa knee rules Ottawa ankle rules

General	Arthrotomy Arthroplasty Synovectomy Arthroscopy Replacement joint imaging: Arthrogram Arthrocentesis

proc, drug (M5)

proc, drug (M01C, M4)