first aid Course Darwin logo small mobile

First Aid for Crush Injury – Symptoms And Causes

crush injury

Table of Contents

A crush injury may result from various emergencies, including vehicle collisions, falling debris, or industrial accidents. Any situation that results in prolonged pressure on a certain body part can cause this type of injury.

Without immediate and effective intervention, a crush injury can disrupt the body’s chemistry and result in heart, breathing & kidney failure. Hence, first aid treatment is vital.

What Is A Crush Injury

A crush injury occurs when a part of the body is subjected to a high force or pressure, usually after being squeezed or crushed between two heavy objects. When the blood flow is restricted by a heavyweight, there is a danger of a build-up of toxins within the affected limb.

As a result of compressions, the muscle cells may suffer from serious damage resulting in organ dysfunction, renal failure, and crush syndrome.

Crush syndrome refers to the multiple complications that may subsequently develop as a result of crush injuries to limbs, particularly the legs. The likelihood of developing this syndrome is directly related to the compression time of how long a body part has been tapped.

After a crushing force, an injury should be suspected whenever a part of the body is compressed. Take note that the symptoms may vary – some may experience excruciating pain while others may not have any complaints or external signs of injury.

This can make dealing with crushing injuries challenging at times.

Signs And Symptoms

Some or all of the following signs and symptoms may be present after a crushing injury:

  • Bleeding and bruising at the site of injury
  • Swelling
  • Fracture or broken bone
  • Nerve injury
  • Intense pain
  • Numbness, pins-and-needles, or electricity-like sensations
  • Laceration (open wound)
  • Infection from bacteria
  • Persistent and deep ache in the affected area

Any person subjected to crush injury must be taken to the hospital for immediate investigation or follow-up care.

Management Of Crush Injuries

Follow the basic first aid plan when providing treatment to a crushed victim.

Assess The Scene

Ensure the scene is safe and there is no risk of injury to the victim, bystanders, and yourself. Only approach the person once it is safe for you to do so.

Call Emergency Services

Call triple zero (000) or ask other bystanders in the area to call an ambulance while you attend to the victims.

If help is not immediately available, consider removing the crushed object if it is safe and physically possible to do so. Apply a tourniquet above the site of injury prior to lifting the object. Using a tourniquet will help prevent the sudden release of toxins into the circulatory system.

(Note: A tourniquet should only be used to control life-threatening bleeding. If it’s not applied properly, it can make things worse as it can occlude the veins.

Control External Bleeding

Stop the bleeding by applying direct pressure to the injury. Cover the area using a clean cloth or wet bandage. Then, raise the affected area above the heart level, if possible.

If a head, neck, or spinal injury is suspected, immobilize those areas and limit movement to only the crushed area.

Monitor Their Condition

Minor the patient’s condition and provide reassurance while waiting for emergency services to arrive.

Crush injury requires immediate action to prevent complications and achieve the best outcomes.

Learn More

First Aid Darwin offers a series of blogs relating to health and safety that might help you deal with everyday emergencies.

As one of Australia’s trusted first aid providers, we also deliver a wide range of first aid and CPR courses in training venues across the country. Our courses include content on DRSABCD, wound care management, crush injury treatment, and many more.

Visit our course page for more information.

Popular Posts
Recent Posts
group first aid training darwin
Who Needs Group First Aid Training? Onsite First Aid Course Benefits

Group first aid training is the perfect way to get your whole workplace team trained up and compliant at the same time. But it’s not just for people who work together, there are so many other groups who can stand to benefit from a group first aid training course. 

Toddler getting a measles vaccination by a paediatrician
Measles: What Every New Parent and Teacher Must Know

Australia was declared free of measles in 2014 thanks to widespread vaccination coverage. However, measles is still common in many countries, and recent measles cases have primarily been linked to international travellers. In 2024 a measles outbreak in Canada caused the county to lose its measles-free status. Measles elimination isn’t absolute, and the low number of measles cases in Australia doesn’t mean a resurgence of measles is impossible. In fact, a regional measles outbreak in WA in 2025 had more than 75 cases of measles reported. 

camping first aid basics
Caravan and Camping First Aid Kits: Essential Items, Supplies, and Skills for the Wilderness

Camping first aid keeps smaller problems from spiralling into big ones, and big ones from turning into tragedies when professional help is hours away. Remote area first aid uses all the same principles as standard first aid, but with a greater focus on stabilising someone who is injured or ill over a longer period of time until they can get the medical assistance they need.

If you’re planning to head out for a hiking adventure or for some caravanning or camping, first aid is an essential skill you need to bring with you. From the techniques to treat injuries to having a fully stocked camping first aid kit, here’s everything you need to take with you so you can be prepared for when the unexpected strikes.

man-using-mouth-to-mouth-technique-on-dummy-during CPR rescue breaths
How to Perform CPR Rescue Breaths: The Importance of Rescue Breathing in Cardiopulmonary Resuscitation First Aid

CPR rescue breaths keep oxygen flowing to a person’s brain when they stop breathing or their heart stops beating. Working in tandem with chest compressions, CPR rescue breaths form the full range of cardiopulmonary resuscitation techniques that can increase a victim’s chances of survival by double or even triple. In instances of cardiac arrest, drowning or overdose, CPR rescue breaths can help keep someone breathing until emergency help arrives.