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Ottawa vs Pittsburgh Knee Rules title image comparing knee x-ray decision rules for acute knee injuries.

MDCalc Wars: Ottawa vs Pittsburgh — Which Knee Rule Should You Use?

by Eric Steinberg DO, MEHP posted April 27, 2026 No Comments

Not every knee injury needs an x-ray. This post compares the Ottawa and Pittsburgh Knee Rules, highlighting when each rule applies, how they perform, and common pitfalls for ED ...

Orthopedics
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