1. What is the Rule of Nines?

The Rule of Nines is a method used to estimate the total body surface area (TBSA) affected by burns. It divides the body into sections that represent 9% or multiples of 9% of the total body surface area.

2. How Does the Calculator Work?

The calculator uses the Rule of Nines formula:

Where body parts are assigned the following percentages:

• Head: 9%
• Each Arm: 9%
• Each Leg: 18%
• Torso Front: 18%
• Torso Back: 18%
• Groin: 1%

Explanation: The Rule of Nines provides a quick and systematic way to estimate burn extent for initial treatment and fluid resuscitation calculations.

3. Importance of TBSA Calculation

Details: Accurate TBSA estimation is crucial for determining burn severity, guiding fluid resuscitation (Parkland formula), triage decisions, and predicting patient outcomes.

4. Using the Calculator

Tips: Select all body parts that are burned. The calculator will automatically sum the percentages to give you the total body surface area burned.

5. Frequently Asked Questions (FAQ)

Q1: What is the Rule of Nines used for?
A: It's used for quick estimation of burn extent to guide initial treatment, especially fluid resuscitation in emergency settings.

Q2: How accurate is the Rule of Nines?
A: It provides a rough estimate suitable for initial assessment. More precise methods like Lund-Browder charts are used for detailed evaluation.

Q3: Does the Rule of Nines differ for children?
A: Yes, children have different body proportions. Modified rules or Lund-Browder charts account for age-related differences.

Q4: What constitutes a major burn?
A: Generally, burns covering >20% TBSA in adults or >10% in children/elderly, or burns involving specific critical areas.

Q5: When should burn patients be referred to specialized centers?
A: For partial thickness burns >10% TBSA, full thickness burns, burns involving face/hands/feet/genitalia, or patients with comorbidities.