Health A-Z

Colitis

Clinical Definition Colitis is a medical condition that exhibits inflammation of the colon, whether caused by an inflammatory bowel disease, infection, or some other process. In Our Own Words Colitis is characterized by inflammation of the colon. There are many different kinds of colitis, including infectious colitis, ulcerative colitis, diverticular colitis, and radiation colitis. In

Common Cold

Clinical Definition The common cold is a viral infection of the upper respiratory tract, usually involving a sore throat, runny nose, sneezing and coughing. Symptoms often last for up to two weeks. In Our Own Words More than 200 different viruses are known to cause the common cold, but most often, it’s a rhinovirus. When

Concussion

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 neck’s (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

Coronavirus

Clinical Definition Coronavirus is a genus in the family Coronaviridae. It is a causative agent of upper respiratory tract infections, which may range from the common cold to severe acute respiratory syndrome (SARS). Less commonly, coronavirus may also cause gastroenteritis, pancreatitis and infectious peritonitis. It may be transmitted through inhalation of respiratory droplets from an

Corticosteroid

Clinical Definition Corticosteroids are synthetic compounds that produce physiological effects similar to the chemicals produced by the human adrenal cortex. Corticosteroids decrease the inflammatory process and the immune system response, which may have a therapeutic effect on a variety of diseases. In Our Own Words Corticosteroids are a type of medication made to induce some

View Terms Beginning with "D"
Top