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  2. Medical state - Wikipedia

    en.wikipedia.org/wiki/Medical_state

    Other terms used include grave, extremely critical, critical but stable, serious but stable, guarded, [3] and satisfactory.. The American Hospital Association has advised doctors not to use the word "stable" either as a condition or in conjunction with another condition, especially one that is critical, as it inherently implies unpredictability and the instability of vital signs. [2]

  3. Critical - Wikipedia

    en.wikipedia.org/wiki/Critical

    Critical Software, a company specializing in mission and business critical information systems; Critical theory, a school of thought that critiques society and culture by applying knowledge from the social sciences and the humanities; Critically endangered, a risk status for wild species; Criticality (status), the condition of sustaining a ...

  4. Critical point (thermodynamics) - Wikipedia

    en.wikipedia.org/wiki/Critical_point...

    In thermodynamics, a critical point (or critical state) is the end point of a phase equilibrium curve. One example is the liquid–vapor critical point, the end point of the pressure–temperature curve that designates conditions under which a liquid and its vapor can coexist.

  5. Triage - Wikipedia

    en.wikipedia.org/wiki/Triage

    These people are in critical condition and would die without immediate assistance. Delayed or Priority 2 (yellow) can have their medical evacuation delayed until all immediate people have been transported. These people are in stable condition but require medical assistance.

  6. Hydrodynamic stability - Wikipedia

    en.wikipedia.org/wiki/Hydrodynamic_stability

    To determine whether the flow is stable or unstable, one often employs the method of linear stability analysis. In this type of analysis, the governing equations and boundary conditions are linearized. This is based on the fact that the concept of 'stable' or 'unstable' is based on an infinitely small disturbance.

  7. Stall (fluid dynamics) - Wikipedia

    en.wikipedia.org/wiki/Stall_(fluid_dynamics)

    A stall is a condition in aerodynamics and aviation such that if the angle of attack on an aircraft increases beyond a certain point, then lift begins to decrease. The angle at which this occurs is called the critical angle of attack. If the angle of attack increases beyond the critical value, the lift decreases and the aircraft descends ...

  8. Intensive care unit - Wikipedia

    en.wikipedia.org/wiki/Intensive_care_unit

    Intensive care unit ICU patients often require mechanical ventilation if they have lost the ability to breathe normally.. An intensive care unit (ICU), also known as an intensive therapy unit or intensive treatment unit (ITU) or critical care unit (CCU), is a special department of a hospital or health care facility that provides intensive care medicine.

  9. Stability theory - Wikipedia

    en.wikipedia.org/wiki/Stability_theory

    The simplest kind of an orbit is a fixed point, or an equilibrium. If a mechanical system is in a stable equilibrium state then a small push will result in a localized motion, for example, small oscillations as in the case of a pendulum. In a system with damping, a stable equilibrium state is moreover asymptotically stable. On the other hand ...