What type of emergency might require the use of a splint?

A splint is specifically designed to immobilize and support an injured limb or joint, making it a crucial tool in the management of fractures or suspected fractures. When a bone is broken, moving it can cause further injury, increase pain, and lead to complications, such as improper healing. By securing the affected area, a splint helps to stabilize the injury and prevent movement until medical help is available. This can also alleviate pain and reduce the risk of worsening the injury.

In contrast, burns require cooling and covering of the affected area rather than immobilization. Heart attacks necessitate immediate medical response and interventions that focus on the cardiovascular system. Allergic reactions often involve respiratory issues or anaphylaxis, requiring specific antihistamine treatment or epinephrine rather than immobilization. Thus, the use of a splint is uniquely applicable to fractures or suspected fractures.