CAT scan, helical

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CAT scan, helical

CAT scan, helical

A helical CAT scan is a new specialized CAT scan technique that involves continuous movement of the patient through the scanner with the ability to scan faster and with higher definition of internal structures. Helical CAT scanning can permit greater visualization of blood vessels and internal tissues, such as those within the chest cavity. This form of scanner may be particularly helpful in the rapid evaluation of severe trauma injuries, such as those sustained in automobile accidents..

RELATED TERMS
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Ability
The ability to acquire general or special types of knowledge or skill.

Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.

Chest
The area of the body located between the neck and the abdomen. The chest contains the lungs, the heart and part of the aorta. The walls of the chest are supported by the dorsal vertebrae, the ribs, and the sternum.

Cavity
A hollow place or hole within the body.

Evaluation
Studies determining the effectiveness or value of processes, personnel, and equipment, or the material on conducting such studies. For drugs and devices, CLINICAL TRIALS; DRUG EVALUATION; and DRUG EVALUATION, PRECLINICAL are available.

Trauma
Injury caused by external force, chemical, temperature extremes, or poor tooth alignment.

SIMILAR TERMS
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Cat cry syndrome
A disorder caused by the loss of part of the short (p) arm from chromosome 5. Also called the cri du chat (or cri-du-chat) syndrome.

Cat eye syndrome
A constitutional chromosome abnormality (one that is present at or before birth) with multiple malformations characterized by the combination of a cat-like slit of the iris of the eye (vertical coloboma) and no anal opening (anal atresia). Frequently there are also down slanting eye slits (palpebral fissures), tissue tags or pits just in front of the ears, heart malformations and kidney anomalies.

CAT scan
Computerized tomography diagnostic imaging procedure that uses a combination of x-rays and computer technology to produce cross-sectional images (often called slices), both horizontally and vertically, of the body. A CT scan shows detailed images of any part of the body, including the bones, muscles, fat, and organs. CT scans are more detailed than general x-rays.

CAT scan, spiral
A spiral CAT scan is a new specialized CAT scan technique that involves continuous movement of the patient through the scanner with the ability to scan faster and with higher definition of internal structures. Spiral CAT scanning can permit greater visualization of blood vessels and internal tissues, such as those within the chest cavity. This form of scanner may be particularly helpful in the rapid evaluation of severe trauma injuries, such as those sustained in automobile accidents.

Cat scratch disease
A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease characteristically presents with swollen lymph nodes (lymphadenitis), sore throat, fatigue, and fever, chills, sweats, vomiting, loss of appetite, and weight loss. There is usually a little bump (a papule) which may be pus-filled (a pustule) at the site of the scratch. Then more nodules appear on and under the skin. As the number of nodules increases, patients get sicker.

Cat scratch fever
A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease characteristically presents with swollen lymph nodes (lymphadenitis), sore throat, fatigue, and fever, chills, sweats, vomiting, loss of appetite, and weight loss. There is usually a little bump (a papule) which may be pus-filled (a pustule) at the site of the scratch. Then more nodules appear on and under the skin. As the number of nodules increases, patients get sicker.

PREVIOUS AND NEXT TERMS
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Cassette
A pre-existing structure into which an insert can be moved. In molecular biology, a gene conversion process in which the old gene is replaced with a copy of a silent gene and the new copy becomes active. As the process involves replacing one ready made construct with another in an active slot, it is termed a cassette mechanism.

Casting, serial
The use of successive casts to reshape deformed or spastic limbs.

Castleman disease
A disorder of lymphoid tissue (lymphadenopathy) with massive overgrowth (hyperplasia) of lymph nodes ("swollen glands"), most commonly affecting the nodes between the lungs (in the mediastinum).

Cat cry syndrome
A disorder caused by the loss of part of the short (p) arm from chromosome 5. Also called the cri du chat (or cri-du-chat) syndrome.

Cat eye syndrome
A constitutional chromosome abnormality (one that is present at or before birth) with multiple malformations characterized by the combination of a cat-like slit of the iris of the eye (vertical coloboma) and no anal opening (anal atresia). Frequently there are also down slanting eye slits (palpebral fissures), tissue tags or pits just in front of the ears, heart malformations and kidney anomalies.

CAT scan, helical

CAT scan, spiral
A spiral CAT scan is a new specialized CAT scan technique that involves continuous movement of the patient through the scanner with the ability to scan faster and with higher definition of internal structures. Spiral CAT scanning can permit greater visualization of blood vessels and internal tissues, such as those within the chest cavity. This form of scanner may be particularly helpful in the rapid evaluation of severe trauma injuries, such as those sustained in automobile accidents.

Cat scratch disease
A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease characteristically presents with swollen lymph nodes (lymphadenitis), sore throat, fatigue, and fever, chills, sweats, vomiting, loss of appetite, and weight loss. There is usually a little bump (a papule) which may be pus-filled (a pustule) at the site of the scratch. Then more nodules appear on and under the skin. As the number of nodules increases, patients get sicker.

Cat scratch fever
A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease characteristically presents with swollen lymph nodes (lymphadenitis), sore throat, fatigue, and fever, chills, sweats, vomiting, loss of appetite, and weight loss. There is usually a little bump (a papule) which may be pus-filled (a pustule) at the site of the scratch. Then more nodules appear on and under the skin. As the number of nodules increases, patients get sicker.

Catabolism
The energy-burning aspect of metabolism.

Catalysis
The process by which a substance speeds up a chemical reaction without being consumed or altered in the process. Substances that can accomplish this remarkable feat are termed catalysts and are of immense importance in chemistry and biology.

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This dictionary contains 59020 terms.

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