Clinical Definition A concussion is a type of traumatic brain injury or TBI that can alter the usual and normal functioning of the brain. Concussions are caused by a jolt, blow or bump to the head, often during sports, and this can trigger headaches, dizziness and neck pain. Concussions are considered mild brain injuries, but…
Congestion
Clinical Definition Congestion is an excessive accumulation of bodily fluids, such as mucus or blood, in an organ, vessel or body part. It may develop in a part of the body due to obstruction in normal fluid movement or an increased influx of fluid. The term most commonly refers to nasal congestion, but can also…
Congestive Heart Failure
Clinical Definition Congestive heart failure refers to a decrease in the heart’s ability to pump blood, which in turn is associated with congestion and edema in the tissues, potentially including the lungs. Heart failure may be associated with symptoms such as shortness of breath, edema, vein distension in the necks (jugular) veins or an enlarged…
Contamination
Clinical Definition Contamination is the presence of an unwanted or harmful agent, such as bacteria. Contamination may involve the body or inanimate objects (e.g., surgical instruments, bandages or dressings). Food and liquids can also become contaminated. In some instances, contamination may lead to an infection or illness. In Our Own Words Contamination is the introduction…