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    CATCH (Canadian Assessment of Tomography for Childhood Head injury) Rule

    Predicts clinically significant head injuries in children.

    INSTRUCTIONS

    Use in patients up to 16 yrs with minor head injury and initial Glasgow Coma Scale at least 13, injury within 24 hrs, plus at least one of the following: blunt trauma with witnessed LOC, amnesia, witnessed disorientation, vomiting 2+ times at least 15 mins apart, persistent irritability if under 2 years old. Do NOT use if: penetrating skull injury, depressed fx, focal neuro deficit, developmental delay, child abuse, re-eval after prior head injury, pregnant patient. Note: We recommend using PECARN, as it is more widely validated.

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    Dr. Martin H. Osmond
    Dr. Martin H. Osmond
    About the creator

    Martin H. Osmond, MD, is a pediatric emergency physician at the Children’s Hospital of Eastern Ontario (CHEO). He is also the CEO and scientific director of the CHEO Research Institute. Dr. Osmond’s areas of research interest are the evaluation and management of pediatric head injuries and the use of pre-hospital care in the treatment of ill and injured children.

    Are you Dr. Martin H. Osmond? Send us a message to review your photo and bio, and find out how to submit Creator Insights!
    MDCalc loves calculator creators – researchers who, through intelligent and often complex methods, discover tools that describe scientific facts that can then be applied in practice. These are real scientific discoveries about the nature of the human body, which can be invaluable to physicians taking care of patients.
    Content Contributors
    • Diana Fleisher, MD
    About the Creator
    Dr. Martin H. Osmond
    Dr. Martin H. Osmond
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