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exchange

 [eks-chānj´]
1. the substitution of one thing for another.
2. to substitute one thing for another.
gas exchange the passage of oxygen and carbon dioxide in opposite directions across the alveolocapillary membrane.
health care information exchange in the nursing interventions classification, a nursing intervention defined as providing patient care information to health professionals in other agencies.
impaired gas exchange a nursing diagnosis approved by the North American Nursing Diagnosis Association, defined as excess or deficit in oxygenation and/or carbon dioxide elimination at the alveolocapillary membrane (see gas exchange). Etiological and contributing factors include an altered oxygen supply, changes in the alveolar-capillary membrane, altered blood flow, and altered oxygen-carrying capacity of the blood. Defining characteristics include changes in mental status such as confusion, somnolence, restlessness, and irritability; ineffective coughing and inability to move secretions from the air passages; hypercapnia; and hypoxia. For specific medical treatments and nursing interventions, see airway clearance, ineffective; breathing patterns, ineffective; chronic airflow limitation; and anemia.
plasma exchange see plasma exchange.

ex·change

(eks-chānj'),
To substitute one thing for another, or the act of such substitution.

exchange

/ex·change/ (eks-chānj)
1. the substitution of one thing for another.
2. to substitute one thing for another.

plasma exchange  the removal of plasma from withdrawn blood, with retransfusion of the formed elements into the donor; done for removal of circulating antibodies or abnormal plasma constituents. The plasma removed is replaced by type-specific frozen plasma or by albumin.

ex·change

(eks-chānj')
To substitute one thing for another, or the act of such substitution.
References in periodicals archive ?
The Exchange Backup API supports full Exchange database backup only and does not support mailbox restore; therefore, some interesting methods have been developed to recover a lost mailbox.
A qualified EAT should be financially stable, should possess the knowledge and experience needed to properly structure and document the exchange, and should have the flexibility and resources to meet the strict time requirements.
2000-37 Hill not apply if the taxpayer owned the replacement property before the exchange.
If China were to revalue the renminbi, or even if simply the political winds were to shift in the face of the Japanese recovery, Japan could find itself under harsh attack for its "manipulation" of the exchange rate that had taken place under the cover of China as primary target of U.
Exchange First: The taxpayer transfers the relinquished replacement property to an intermediary, which buys the replacement property and then transfers the replacement property to the taxpayer to complete the exchange.
Covisint CEO Kevin English, who joined the exchange in 2001 from a post as ecommerce CEO at Credit Suisse First Boston, admits his company has had to work hard to rein in its founders' broad ambitions.
If the exchange lacked true substance, the IRS might have a good reason to consider it a tax avoidance scheme or could argue the parking entity was really the taxpayer's agent, invalidating the exchange.
Will the exchange become involved in contracts between buyers and sellers?
The insurer sponsors the market space and supplies all products to the exchange.
person holding at least 10 percent (by vote) of the foreign corporation's stock) pursuant to section 354 or 356 in connection with a reorganization described in section 368(a)(1)(B), (C), (D), or (F), such shareholder must include in gross income (as a dividend) its "section 1248 amount" with respect to the stock exchange unless the stock it receives in the exchange is stock in a CFC with respect to which such shareholder also is a U.
Fully interoperable with the Exchange ecosystem, PostPath's email and collaboration server provides enterprises a lean, high-performance messaging infrastructure, a radically improved cost-model, and an innovation-rich upgrade path for corporate messaging and collaboration environments.
The relationship between the various tapes must be carefully tracked in order to locate the data necessary for a restore of the Exchange Server application or a mailbox to a particular point in time.