An impact on the body by objects that cause injury without penetrating soft tissues or internal organs and cavities.

A phenomenon in which speed causes a bullet to generate pressure waves, which cause damage distant from the bullet's path.

Drag

An evaluation tool used to determine level of consciousness, evaluating the assigning scores for: eye opening, verbal response, and motor response, with a maximum score of 15.

A brain injury that occurs when force is applied to the head and energy transmission through brain tissue causes injury on the opposite side of original impact.

The forces, or energy transmission, applied to the body that cause injury.

The eardrum

The main artery that receives blood from the left ventricle and delivers it to all the other arteries that carry blood to the tissues of the body.

The formation of clots to plug openings in injured blood vessels and stop blood flow.

A mass of blood that has collected within damaged tissue beneath the skin or in a body cavity.

Vomited blood

A hereditary condition in which the patient lacks one or more of the blood's normal clotting factors.

Black, foul-smelling, tarry stool containing digested blood.

A nosebleed

A condition in which low blood volume, due to massive internal or external bleeding or extensive loss of body water, results in inadequate perfusion.

An injury in which soft tissue is torn completely loose or is hanging as a flap.

Significant metabolic derangement that develops when crushed extremities or body parts remain trapped for prolonged periods. This can lead to renal failure and death.

The outer layer of skin, which is made up of cells that are sealed together to form a watertight protective covering of the body.

The displacement of organs outside the body.

An airtight dressing that protects a would from air and bacteria.

The delicate membrane that lines the eyelids and covers the exposed surface of the eye.

A fracture of the orbit or of the bones that support the floor of the orbit.

The transparent tissue layer in front of the pupil and iris of the eye.

The muscle and surrounding tissue behind the cornea that dilate and constrict the pupil. Pigment in this tissue gives the eye it's color.

Bruising behind an ear over the mastoid process that may indicate a skull fracture.

Swelling of the brain.

A brain injury that occurs when force is applied to the head and the energy transmissions through brain tissues causes injury on the opposite side of the original impact.

The heel bone

Swelling in a confined space that produces dangerous pressure. May cut off blood flow or damage sensitive tissue.

Disruption of a joint in which ligaments are damaged and the bone ends are no longer in contact.

A serum that counteracts the effect of venom from an animal or insect.

The balance of all systems of the body.

A heat emergency in which a significant amount of fluid and electrolyte loss occurs because of heaving sweating. Also called heat prostration or heat collapse.

A life-threatening condition of severe hyperthermia caused by exposure to excessive natural or artificial heat. Marked by warm, dry skin, severely altered mental status, and often irreversible coma.

A family of insects that includes bees, wasps, ants, and yellow jackets.