critical

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critical

1. Informal so seriously injured or ill as to be in danger of dying
2. Physics of, denoting, or concerned with a state in which the properties of a system undergo an abrupt change
3. go critical (of a nuclear power station or reactor) to reach a state in which a nuclear-fission chain reaction becomes self-sustaining

critical

[′krid·ə·kəl]
(nucleonics)
Capable of sustaining a chain reaction at a constant level.

critical

Essential for continued operations. In risk analysis, one classifies data by the degree of sensitivity and criticality. See sensitive and risk assessment.
References in periodicals archive ?
According to the company, Ulimorelin, which is a macrocyclic agonist of the hormone ghrelin, is under clinical development as LP101 for the treatment of EFI as well as for other disorders affecting critically ill patients in the Intensive Care Unit (ICU).
While certain glucose meters may be acceptable for self-monitoring, when applied to a critically ill patient population the total error compounded by interference influences can greatly exceed 20 percent, resulting in adverse patient outcomes.
Conclusions: Noninvasiv hemoglobin measurements is a promising technologic system for monitoring of hemoglobin levels in critically ill children.
05 a-error, assuming incidence of adrenal insufficiency among critically ill and non-critically ill patients to be 25% and 1% respectively.
Users of BGMS with manufacturer instructions that do not provide for use with critically ill hospital patients would be subject to the high complexity testing requirements under the Clinical Laboratory Improvement Amendments (CLIA) if such systems were to be used in the critically ill hospital population.
clinical studies to define CoQ10 insufficiency and evaluate the safety and efficacy of CoQ10 supplementation in critically ill patients.
The first article describes some of the key fluid shifts that routinely occur in critically ill patients (2), while the second (3) highlights that we can now measure cardiac output in a relatively easy, noninvasive fashion.
Studying the absorption ability of Tamiflu in the critically ill became a priority with the large number of patients needing ICU and ventilation support,"
In the largest of the studies, scientists in Canada monitored 168 patients deemed critically ill with H1N1 flu.
All of the bird species targeted in the initiative are on the World Conservation Union's Red List of Threatened Species, an international registry of critically endangered plants and wildlife.
Given their special role, most governments need to ensure that their military institutions are ready to defend the country and such readiness depends critically on comprehensive education.
PALMDALE -- A Palmdale woman was critically injured when the car in which she was riding turned left in front of a pickup truck, sheriff's deputies said.