6.13: Activity 11

Integrated Human Anatomy and Physiology Lab Manual I: Fundamentals of Structure and Movement · LibreTexts

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    6.13: Activity 11

    Understanding a Burn Injury - degree and percent of burn estimation (Rule of Nines)

    Scenario

    You are the trauma team member in the burn unit at the regional hospital. Your team includes a variety of healthcare providers including an ER technician who is interested in the prevention of infection, a paramedic who has lots of experience with patients going into shock, an emergency medicine physician who specializes in burns, and an ER nurse who has years of experience helping in pain management for children.

    A visual assessment should be made to determine the severity of the burn injuries. The thickness of the burn – how many layers of skin as well as the amount of other tissue damaged – is used to classify the degree of the burn. Review the classification and description given in the Section 6.1 Background Information.

    Case Study: Initial reporting from paramedic following a house fire.

    Rule of Nines - The Rule of Nines is a quick and easy tool used for the initial management of resuscitation in burn patients.

    “This is Unit 701 reporting. We have a 48 year old male who has suffered from severe third degree burns to anterior and posterior of both his lower extremities, second degree burns in the right arm (anterior) and left arm (anterior) and first degree flash burns to the anterior face is also recorded. Patient is conscious. Medications and allergies are unknown. Vitals are unstable and are as follows:

    • Blood pressure is 96/52 mmHg
    • Heart rate (HR) is 165 beats per minute
    • Temperature is 98.4 degree Fahrenheit or 36.9 degree Celsius
    • Respiratory rate (RR) is 35 [breaths/min]
    Table \(\PageIndex{1}\): Burn Injury Assessment Using the Rule of Nines
    Burn Degree Affected Body Areas (List regions) Calculation (Add % from Rule of Nines) Total Burn Percent
    First Degree Burns      
    Second Degree Burns      
    Third Degree Burns      
    Body surface area percentages.
    Figure \(\PageIndex{1}\): Anterior and posterior views of a human body with percentages indicating the total body surface area for each section: head/neck 9%, arms 9% each, trunk 36%, legs 18% each, genitalia 1%. (CC BY 4.0; via Burn Injuries and Management).

    This page titled 6.13: Activity 11 was last modified on Tue, 01 Sep 2026 01:45:37 GMT and is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Lakshmikanta Sengupta and Susmita Sengupta.