Clinical Skills · Wound and Burn Assessment and Care
Burn Injuries and Management
On this page 9 sections
In 30 seconds
A burn is tissue damage caused by heat, chemicals, electricity, or radiation. Because the skin is the body's largest organ and first line of defense — protecting against infection, controlling temperature, holding in fluid — even a small-looking burn can have body-wide effects. Burn management is three overlapping jobs: emergency care (stopping the burning process, stabilizing the person), wound care (preventing infection, supporting healing), and rehabilitation (restoring function, supporting recovery). Care is highly team-based, and many burn injuries are best treated at a Burn center Specialized facility for major burn care Full entry →.
This is an educational study guide, not clinical guidance. First-aid steps, transfer criteria, fluid formulas, and treatment protocols follow current guidelines and institutional/regional policies; percentages and categories below are teaching frameworks, not orders.
Why this matters
Burns are common, painful, and largely preventable — most happen in the home, scalds and flames first. Early decisions — stopping the burning process, protecting the airway, estimating size and depth, starting fluid and wound care — all happen in the first hours. Nurses are central to every phase — emergency department, burn unit, home care — and often the ones who teach prevention. Understanding depth, extent, and the body's response to major burns turns a frightening situation into a structured one.
The college version
Core Concepts
Mechanism and depth
Burns are classified by mechanism — thermal (flame, scald, contact with hot surfaces), chemical, electrical, and radiation — and by depth. Depth categories in teaching terms: superficial (epidermis only: red, painful, no blisters; sunburn-like), partial-thickness (epidermis plus part of the dermis: blisters, wet, intensely painful; subdivided into superficial and deep), full-thickness (all layers of the skin destroyed: waxy white, brown, or charred; may be relatively painless because nerve endings are destroyed), and deeper injuries extending into fat, muscle, or bone. Two cautions: depth can deepen over the first 48–72 hours, and pain level alone cannot determine depth — a deep burn may hurt less.
How big: estimating extent
Extent is expressed as the percentage of total body surface area (% TBSA Total body surface area, expressed as a percentage Full entry →) burned. The rule of nines divides the adult body into regions that are multiples of 9% (each arm about 9%; the head about 9%). The palmar method uses the person's own palm (about 1% TBSA) for scattered or irregular burns. Children's proportions differ from adults' — heads proportionally larger, legs smaller — so pediatric charts such as the Lund–Browder diagram are used. Extent, with depth and location, guides fluid, monitoring, and transfer decisions; actual estimates follow current guidelines and burn center protocols.
Emergency priorities: the first minutes
Scene safety comes first — protect yourself and the person from the source. Then: stop the burning process (remove the person from the source; for flame, stop–drop–roll; remove smoldering clothing unless stuck; for scalds, cool with cool — not ice-cold — running water per current first-aid guidance, then cover with a clean, dry cloth; never use ice, butter, or home remedies). Assess airway, breathing, and circulation: face or neck burns, singed nasal hair, soot, or hoarseness can signal airway swelling. Remove rings and constricting items before swelling makes them dangerous. Keep the person warm — burned skin cannot regulate temperature well. For chemical burns: brush off dry chemical, irrigate copiously per hazmat guidance; never "neutralize" with another chemical. For electrical burns: entry and exit wounds may look small, but internal damage can be severe and rhythm disturbances are possible — these injuries get full evaluation and cardiac monitoring per protocol.
The body's response and fluid management
A major burn breaks the skin's barrier and triggers a massive inflammatory response. Blood vessels leak fluid into the tissues (Capillary leak Fluid leaking from blood vessels into tissues after major injury Full entry →), and the person can lose large volumes of fluid from the burn surface — without replacement, this leads to hypovolemic shock. Fluid resuscitation Replacing lost fluid per a provider-calculated plan Full entry → is calculated by the provider or burn team using established formulas based on weight and % TBSA (e.g., Parkland-type). The nurse's role is monitoring and execution: urine output, vital signs, and shock signs are tracked, and prescribed fluid is given at the prescribed rate. Two further hazards — infection (the barrier is gone) and hypothermia (the body loses heat through damaged skin) — are managed by protocol, not guesswork.
Ongoing care and rehabilitation
After stabilization, the work shifts to wound care: gentle cleansing, dressing changes (often very painful — analgesia before wound care per orders), infection surveillance, and possibly surgical excision and grafting. Nutrition support is critical — healing burns demand extra protein and calories. Positioning and splinting help prevent contractures (shortening of skin and joints that limits movement), and scar management continues long after discharge. The emotional toll is real — pain, disfigurement, long recoveries — so psychosocial support for the person and family matters. Discharge planning includes prevention teaching.
Common Confusions
| Do Not Confuse | With | Difference |
|---|---|---|
| Deep burns are the most painful | Superficial/partial-thickness burns are often the most painful | Full-thickness burns destroy nerve endings and may feel less painful — pain level alone does not determine depth |
| Rule of nines is the same for children | Children's body proportions differ | Use pediatric charts (e.g., Lund–Browder) for children |
| TBSA alone determines severity | Depth, location, mechanism, and patient factors also matter | Two burns of the same size can have very different risks |
| Neutralize chemical burns with another chemical | Brush off dry chemical, then irrigate per hazmat guidance | "Neutralizing" can generate heat and worsen the injury |
| Small electrical burns are minor | Electrical injury can be deep and affect the heart | Entry/exit wounds underestimate internal damage; cardiac monitoring per protocol |
| Ice is the best first aid | Cool (not ice-cold) running water per first-aid guidance | Ice increases tissue damage; cool running water stops the burning process |
Eli explains
The same idea, in plain words
Explain it like I’m 10
A burn is like a sunburn that went much deeper. The skin is the body's raincoat — when it's damaged, water leaks out and germs can get in. The first job is to stop the burning and cover the burn with something clean, and then the team figures out how much skin is hurt and gives the body extra fluid while it grows new skin. It takes a long time and can hurt, so the team helps with pain and with keeping the healing skin moving.
Worked example
Priya spills a pot of hot water onto her forearm and hand. Her roommate runs the burn under cool water for several minutes, then covers it with a clean, dry cloth — no ice, no butter. In the emergency department, the nurse notes blistering and intense pain (consistent with a partial-thickness burn), estimates the area with the palmar method (roughly 5–6% TBSA), removes a ring before swelling, medicates per orders, and documents depth, extent, and location. The provider evaluates transfer criteria (a hand burn often warrants specialist input), and the nurse begins the dressing plan and discharge teaching on wound care, infection signs, and scar prevention. The structured sequence — stop, cool, cover, assess, document, escalate — is the whole skill in action.
Key takeaways
- Depth categories: superficial, partial-thickness, full-thickness, deeper — and depth can deepen over the first days.
- Extent: rule of nines (adults), palmar method (~1% per palm), pediatric charts for children.
- First aid: stop the burning process; cool (not ice-cold) water for scalds; clean dry cover; no ice, butter, or home remedies.
- Airway first: face/neck burns, singed nasal hair, soot, or hoarseness = watch for airway swelling.
- Major burns cause fluid shifts and shock risk — fluid resuscitation is provider-calculated; the nurse monitors output and vitals.
- Chemical burns: brush off dry chemical, then irrigate; never "neutralize."
- Electrical burns: small visible wounds, possible deep internal injury and rhythm disturbances.
- Burn center transfer follows established criteria — know your regional protocol.
Check yourself
5 review questions from the chapter. Try each one, then open the answer.
List the depth categories used to describe burns and one key feature of each.
Show answer
Superficial (epidermis only: red, painful, no blisters), partial-thickness (epidermis plus part of dermis: blisters, very painful), full-thickness (all skin layers: waxy/white/brown/charred, possibly less painful), and deeper injuries (into fat, muscle, or bone). Depth can deepen over the first days.
Why does the rule of nines not apply unchanged to children?
Show answer
Children's body proportions differ from adults' — proportionally larger head and smaller legs — so pediatric charts (e.g., Lund–Browder) are used.
What is the correct first aid for a thermal scald, and what should be avoided?
Show answer
Stop the burning process; cool the burn with cool (not ice-cold) running water per current first-aid guidance; cover with a clean, dry cloth. Avoid ice, butter, and home remedies.
Why can a major burn cause shock even when there is no visible bleeding?
Show answer
A major burn causes capillary leak — fluid shifts out of the blood vessels into the tissues and is lost from the burn surface — so circulating volume drops despite no visible bleeding.
Why might a Full-thickness burn Entire skin layer destroyed Full entry → feel less painful than a Partial-thickness burn Epidermis plus part of the dermis damaged Full entry →?
Show answer
Full-thickness burns destroy the nerve endings in the burned skin, so the burn itself may be relatively painless even though the injury is deeper.
Study tools & related lessonsKey vocabulary · Related
Key vocabulary
- TBSA
- Total body surface area, expressed as a percentage
- Partial-thickness burn
- Epidermis plus part of the dermis damaged
- Full-thickness burn
- Entire skin layer destroyed
- Capillary leak
- Fluid leaking from blood vessels into tissues after major injury
- Fluid resuscitation
- Replacing lost fluid per a provider-calculated plan
- Contracture
- Shortening of skin or joints that limits movement
- Burn center
- Specialized facility for major burn care
Sources & references
This lesson was adapted from the open educational references above; their licenses and attributions are preserved. See Copyright & Licensing.
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