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Related Concept Videos

Sympathetic Activation01:16

Sympathetic Activation

The sympathetic division can influence tissues and organs by releasing norepinephrine at peripheral synapses and distributing epinephrine and norepinephrine through the bloodstream. In times of crisis or stress, sympathetic activation occurs, which is regulated by sympathetic centers in the hypothalamus. As a result, sympathetic activation prepares the body for physical exertion, rapid ATP production, and heightened alertness, allowing individuals to respond effectively to challenging or...
Hazard Rate01:11

Hazard Rate

The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
High-Level and Low-Level Awareness01:19

High-Level and Low-Level Awareness

Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
Preparedness and Phobias01:09

Preparedness and Phobias

Human fear responses to certain stimuli, such as darkness, heights, deep water, and blood, can often arise despite the absence of direct negative experiences. This phenomenon is rooted in evolutionary psychology, which posits that humans have developed a predisposition to fear stimuli that historically posed significant survival threats. This predisposition, known as preparedness, suggests that early humans who developed a fear of potentially dangerous entities, such as venomous snakes and...
Zones of Protection01:16

Zones of Protection

In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
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Stress Response System01:21

Stress Response System

The stress response system, also known as the fight-or-flight response, is the body's automatic physiological reaction to perceived threats. Hans Selye introduced the concept of General Adaptation Syndrome (GAS) to describe the predictable pattern of changes that occur in response to stress. GAS consists of three sequential stages: alarm, resistance, and exhaustion. This model helps explain how chronic stress can contribute to health problems.
Alarm stage
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Related Experiment Video

Updated: Jun 18, 2026

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack
07:31

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack

Published on: May 15, 2020

On high alert.

Alison Whyte

    Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
    |December 4, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Extracorporeal membrane oxygenation (ECMO) supports patients with severe respiratory failure, including those with swine flu. A specialized unit is prepared for a potential pandemic resurgence.

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    Area of Science:

    • Critical Care Medicine
    • Infectious Diseases
    • Respiratory Medicine

    Background:

    • Severe respiratory failure necessitates advanced life support.
    • Swine flu (H1N1 influenza) can cause critical respiratory illness.
    • Pandemic preparedness is crucial for managing widespread outbreaks.

    Purpose of the Study:

    • To highlight the role of Extracorporeal Membrane Oxygenation (ECMO) in managing severe respiratory failure.
    • To address the application of ECMO in swine flu cases.
    • To report on the readiness of a specialist unit for a potential pandemic wave.

    Main Methods:

    • Review of ECMO utilization in patients with severe respiratory failure.
    • Case discussions or data analysis of swine flu patients requiring ECMO.
    • Assessment of specialist unit preparedness and resources.

    Main Results:

    • ECMO is a viable treatment for severe respiratory failure.
    • Specific considerations for ECMO in swine flu patients were addressed.
    • A dedicated ECMO unit is operationally ready for increased demand.

    Conclusions:

    • ECMO plays a vital role in critical care for respiratory failure.
    • Preparedness for influenza pandemics, including swine flu, is essential.
    • Specialist ECMO units are critical infrastructure for public health emergencies.