closed definition

Inhalation anaesthesia in which there is total rebreathing of all exhaled gases, except carbon dioxide which is absorbed; gas flow into the anaesthetic circuit consists only of oxygen, in amounts equal to the patient's metabolic consumption, plus small amounts of other gases (e.g., nitrous oxide) which undergo continued uptake by and distribution in the patient.

American spelling: closed anesthesia

(05 Mar 2000)

angle-closure glaucoma

(02 Feb 2009)

<dentistry> A malocclusion where your upper teeth cover your lower teeth when you bite down. This is also called a deep bite.

(08 Jan 1998)

Preferred term: functional testing

Preferred term: cyclic compound

Rhythmic compression of the heart between sternum and spine by depressing the lower sternum backward with the heels of the hands, the patient lying supine.

Synonyms: external cardiac massage.

(05 Mar 2000)

A circuit for administration of an inhalation anaesthetic in which there is complete rebreathing with carbon dioxide absorption.

(05 Mar 2000)

A method for measuring oxygen consumption in which the subject rebreathes an initial quantity of oxygen through a carbon dioxide absorber and the decrease in the volume of oxygen being rebreathed is noted.

(05 Mar 2000)

A comedo with a narrow or obstructed opening on the skin surface; closed comedo's may rupture, producing a low-grade dermal inflammatory reaction.

Synonyms: whitehead.

(05 Mar 2000)

Fully-subscribed course which is no longer enrolling students.

(14 Jan 2009)

A dislocation not complicated by an external wound.

Synonyms: simple dislocation.

(05 Mar 2000)

Drainage of a body cavity via a water-or air-tight system.

(05 Mar 2000)

A fracture in which skin is intact at site of fracture.

Synonyms: simple fracture.

(05 Mar 2000)

A head injury in which continuity of the scalp and mucous membranes is maintained.

(05 Mar 2000)

A hospital that restricts membership on its attending or consulting staff, and thereby limits who may admit and treat patients.

(05 Mar 2000)

Obstruction of a segment of intestine by rotation on a fixed point (volvulus); frequently impairs venous circulation of the affected bowel segment, resulting in strangulation and gangrene; the segment of intestine contained in a hernia can also become a closed-loop obstruction when sufficient compression occurs at the neck of the sac.

(05 Mar 2000)

Preferred term: blocked reading frame

The physical manipulation of a joint or bone externally (without making a surgical incision) to affect a joint relocation or more proper anatomic alignment of broken bone fragments. Closed reductions are often performed using intravenous analgesics, local anaesthetic nerve blocks or regional anaesthesia.

(27 Sep 1997)

Reduction by manipulation of bone, without incision in the skin.

(05 Mar 2000)

<mathematics> A set S is closed under an operator * if x*y is in S for all x, y in S.

(01 Mar 1994)

Fracture with intact overlying scalp and/or mucous membranes.

Synonyms: simple skull fracture.

(05 Mar 2000)

Surgery without incision into skin, e.g., reduction of a fracture or dislocation.

(05 Mar 2000)

<biology, ecology> A chemical or biological system that exchanges no matter or energy with the ouside environment.

(12 Mar 1998)

<theory> A term with no free variables.

(01 Mar 1994)