Knee Radiography Decision Rule - Medical Algorithm

Are you evaluating a patient with an acute knee injury?

Yes

Age of patient

years

Is the patient intoxicated by drugs or alcohol?

Yes

Does the patient have head injuries?

Yes

Does the patient have multiple painful injuries?

Yes

Does the patient have paraplegia?

Yes

Does the patient have diminished limb sensation?

Yes

Is there tenderness over the head of the fibula?

Yes

Is bone tenderness limited only to the patella?

Yes

Is the patient able to flex the knee to 90°?

Yes

Is the patient able to bear weight immediately after the injury?

Yes

Is the patient able to transfer weight to each limb twice (4 steps) in the Emergency Department?

Yes

Results

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Results Interpretation and Description References Next Steps

Data complete?

Evaluation appropriate?

Is the age of the patient appropriate?

Is use of the decision rule appropriate?

Number of positive findings

Should knee radiography be performed based on the Ottowa rule?

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Clinical Diagnosis, Including Family History For Genetics
- Children's Head Injury Algorithm for Prediction of Important Clinical Events (CHALICE)
- Criteria for Performing CT Scan in Child After Head Trauma
Imaging Studies
Criteria For Diagnosis
- Children's Head Injury Algorithm for Prediction of Important Clinical Events (CHALICE)
Severity, Prognosis, Stage
- Decision Instrument of Mower et al for Evaluating a Patient with Blunt Head Trauma
- Children's Head Injury Algorithm for Prediction of Important Clinical Events (CHALICE)

Therapy

Options
- Children's Head Injury Algorithm for Prediction of Important Clinical Events (CHALICE)
Selection
- Decision Instrument of Mower et al for Evaluating a Patient with Blunt Head Trauma

Evaluation

Results

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Therapy

Specialty

Objective

ICD-10

Decision Rule for Performing Knee Radiography After Acute Knee Injury (Ottawa Knee Rule)

Purpose: To reduce unnecessary radiography of the knee in adults with acute knee injury by use of a diagnostic algorithm (Ottawa rule).

Evaluation

Results

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Therapy

Specialty

Objective

ICD-10