Published by PMR of NY & CT
The word trauma gets used in two ways. In everyday conversation it often means emotional distress. In medicine it usually means something more concrete: physical trauma is an injury to the body caused by an outside force, such as a car crash, a fall, a burn or a blow.
If someone has just been seriously hurt, stop reading and call 911. Otherwise, this guide explains what doctors mean by trauma, the main types, the warning signs that need urgent care and how recovery usually works.
What trauma means in medicine
In a hospital, trauma refers to injury rather than illness. Doctors classify each injury by how it happened, where it is and how severe it is. A sprained wrist and a multiple-injury highway crash are both trauma, but they sit at opposite ends of the scale.
Major trauma means injuries serious enough to threaten life or cause lasting disability. People with these injuries are usually taken to a trauma center, a hospital ready to treat severe injuries around the clock. According to the CDC, injury is the leading cause of death for people ages 1 to 44 in the United States.
Main types of physical trauma
- Blunt trauma: a forceful impact that doesn’t break the skin, as in a car crash, fall, sports collision or punch. It can break bones or injure organs even when the skin looks fine.
- Penetrating trauma: an object pierces the skin and enters the body, such as a knife, a bullet or a fall onto something sharp.
- Burns: damage from heat, chemicals, electricity or radiation.
- Crush and blast injuries: caused by heavy objects, machinery or explosions, often affecting several areas at once.
- Traumatic brain injury: a blow, jolt or penetrating injury to the head that disrupts how the brain works, ranging from a concussion to a severe injury.
Falls, especially among older adults, cause many of these injuries.
Emergency care comes first
Call 911 for anyone who:
- Is unconscious, confused or unusually drowsy after an injury
- Has trouble breathing, or chest or belly pain after an impact
- Is bleeding heavily, or bleeding doesn't slow with firm pressure
- May have a head, neck or back injury, especially with numbness or weakness
- Has a limb that looks deformed, or bone showing through the skin
While you wait, press firmly on any bleeding with a clean cloth and keep the person still and warm. Don't move someone who may have a spine injury unless they are in immediate danger, such as from fire or traffic.
Warning signs in the hours and days after
Adrenaline can mask pain at first, so some injuries only show up later. Call 911 or go to an emergency department for:
- A worsening headache, repeated vomiting, confusion, slurred speech, a seizure or growing drowsiness after a head injury
- Belly pain, or bruising across the abdomen from a seat belt
- New numbness, tingling or weakness in an arm or leg
Get medical care the same day for neck pain or stiffness that is getting worse, or pain or swelling that stops you from bearing weight.
If you take a blood thinner, get checked after any head injury, even one that seems minor.
Physical trauma vs psychological trauma
Psychological trauma is the emotional response to a deeply distressing event. It can follow a physical injury, such as a serious crash, or happen with no injury at all. Common reactions include intrusive memories, nightmares, feeling on edge and avoiding reminders of what happened.
These reactions often ease over the following weeks. If they last longer than about a month, or make it hard to work, sleep or drive, talk with your doctor or a mental health professional, because effective treatment is available. If you are in crisis or thinking about suicide, call or text 988 (Suicide & Crisis Lifeline) or call 911.
Recovery and rehabilitation after physical trauma
After emergency and surgical care, many people still have pain, stiffness, weakness or less confidence moving. Rehabilitation helps bridge the gap back to work, sports and daily life.
Depending on the injury, a plan might include:
- Physical therapy to restore strength, mobility and balance
- Care from a physiatrist, a physician who specializes in rehabilitation, to coordinate treatment and manage pain
- Chiropractic care or massage for neck and back pain, when appropriate
- A gradual plan for returning to work or sport
After a crash, our car accident injury treatment team also helps with common problems such as whiplash.
Frequently asked questions
What are the three types of trauma?
It depends on the field. Emergency medicine often groups injuries as blunt or penetrating, with burns as a separate category. Mental health professionals commonly describe psychological trauma as acute (from a single event), chronic (repeated or prolonged, such as ongoing abuse) or complex (many traumatic experiences, often beginning in childhood). Context tells you which meaning is intended.
What is a trauma center?
A trauma center is a hospital equipped to treat serious injuries around the clock, with surgeons, specialists, operating rooms and imaging ready at short notice. In the United States, trauma centers are designated by level, and Level I centers offer the most comprehensive care. Paramedics choose where to go based on the injuries and distance.
Is a concussion a traumatic brain injury?
Yes. A concussion is a mild traumatic brain injury caused by a bump, blow or jolt to the head or body that makes the brain move quickly inside the skull. Mild means it usually isn't life-threatening, not that it is minor. Symptoms such as headache, dizziness or trouble concentrating deserve a medical evaluation. Most people feel better within a few weeks, though some need longer.
Request an appointment at PMR
Recovering from an injury takes more than time. At Physical Medicine & Rehabilitation of NY & CT (PMR), we help people rebuild strength and movement after falls, crashes and other injuries once emergency care is complete. Request an appointment and our team will contact you to schedule a visit at PMR of Danbury or PMR of Brewster.
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