Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «C»:
Category 4 storm
Category 4 storm: See: Category four hurricane....
Category 5 storm
Category 5 storm: See: Category five hurricane....
Category five hurricane
Category five hurricane: A hurricane with winds greater than 155 mph (135 kt or 249 km/hr). Storm surge generally greater than 18 ft above normal. Complete roof failure on many residences and industrial buildings. Some complete building failures with small utility buildings blown over or away. All s...
Category four hurricane
Category four hurricane: A hurricane with winds 131-155 mph (114-135 kt or 210-249 km/hr). Storm surge generally 13-18 ft above normal. More extensive curtainwall failures with some complete roof structure failures on small residences. Shrubs, trees, and all signs are blown down. Complete destructio...
Category one hurricane
Category one hurricane: A hurricane with winds 74-95 mph (64-82 kt or 119-153 km/hr). Storm surge generally 4-5 ft above normal. No real damage to building structures. Damage primarily to unanchored mobile homes, shrubbery, and trees. Some damage to poorly constructed signs. Also, some coastal road ...
Category three hurricane
Category three hurricane: A hurricane with winds 111-130 mph (96-113 kt or 178-209 km/hr). Storm surge generally 9-12 ft above normal. Some structural damage to small residences and utility buildings with a minor amount of curtainwall failures. Damage to shrubbery and trees with foliage blown off tr...
Category two hurricane
Category two hurricane: A hurricane with winds 96-110 mph (83-95 kt or 154-177 km/hr). Storm surge generally 6-8 feet above normal. Some roofing material, door, and window damage of buildings. Considerable damage to shrubbery and trees with some trees blown down. Considerable damage to mobile homes,...
Cathartic: A laxative....
Catheter: A thin, flexible tube. For example, a catheter placed in a vein provides a pathway for giving drugs, nutrients, fluids, or blood products. Samples of blood can also be withdrawn through the catheter.
The catheter was created by the Greeks. "Katheter" originally referred to an instrument th...
Catheter, central: A catheter (a tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart.
Central catheters have a diversity of uses. They allow concentrated solutions to be inf...
Catheter, central venous
Catheter, central venous: A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to
the heart) or in the right atrium of the heart.
Central venous catheters have a number of different uses. A central venous cathet...
Catheter, Foley: A flexible plastic tube (a catheter) inserted into the bladder to provide continuous urinary drainage.
The "Foley" has a balloon on the bladder end. After the catheter is inserted in the bladder, the balloon is inflated (with air or fluid) so that the catheter cannot pull out but i...
Catheter, hemodialysis: A venous catheter used for hemodialysis (dialysis of the blood). A hemodialysis catheter is a type of central venous catheter. It may be inserted into the subclavian, internal jugular, or femoral veins. Subclavian catheters generally may be used for 2 to 6 weeks. Hemodialysi...
Catheter, indwelling bladder
Catheter, indwelling bladder: A flexible plastic tube (a catheter) inserted into the bladder that remains ("dwells") there to provide continuous urinary drainage.
The principal type of indwelling bladder catheter is the "Foley" which has a balloon on the bladder end. After the Foley catheter is ins...
Catheter, pulmonary artery
Catheter, pulmonary artery: A light flexible balloon-tipped tube that is introduced into the pulmonary artery (the artery from the right ventricle of the heart to the lungs). See also: Catheter, Swann-Ganz....