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Related Concept Videos

Sound Intensity00:58

Sound Intensity

4.9K
The loudness of a sound source is related to how energetically the source is vibrating, consequently making the molecules of the propagation medium vibrate. To measure the loudness of a source, the physical quantity of interest is the intensity. This is defined as the energy emitted per unit of time per unit of area perpendicular to the sound wave's propagation direction. Since the total energy is greater if the source vibrates for a longer duration and over a larger area, dividing the...
4.9K
Sound Intensity Level00:53

Sound Intensity Level

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Humans perceive sound by hearing. The human ear helps sound waves reach the brain, which then interprets the waves and creates the perception of hearing. The loudness of the environment in which a person is located determines whether they can distinguish between different sound sources.
The human ear can perceive an extensive range of sound intensity, necessitating the use of the logarithmic scale to define a physical quantity—the intensity level. It is a ratio of two intensities and...
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Interdisciplinary Care: The Health Care Team-I01:21

Interdisciplinary Care: The Health Care Team-I

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An interdisciplinary team includes many healthcare professionals working together and utilizing their skills, knowledge, and expertise to provide holistic and quality patient care.
Physicians
The physician's primary responsibility is to diagnose illness and direct the medical or surgical treatment of the condition. The authority to admit patients to a healthcare agency or institution and practice care within that setting is granted to physicians by the healthcare agency or institution...
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Interdisciplinary Care: The Health Care Team-II01:18

Interdisciplinary Care: The Health Care Team-II

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An interdisciplinary team includes many healthcare professionals working together and utilizing their skills, knowledge, and expertise to provide holistic and quality patient care. Here are a few more healthcare professionals.
Physical Therapist
A physical therapist (PT) aims to restore function or prevent additional impairment in a patient following an injury or disease. Massage, heat, cold, water, sonar waves, exercises, and electrical stimulation are some treatments used by PTs to treat...
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Intensity Of Electromagnetic Waves01:22

Intensity Of Electromagnetic Waves

6.0K
The energy transport per unit area per unit time, or the Poynting vector, gives the energy flux of an electromagnetic wave at any specific time. For a plane electromagnetic wave with E0 and B0 as the peak electric and magnetic fields and traveling along the x-axis, the time-varying energy flux can be given by the following equation:
6.0K
Continuing Care01:25

Continuing Care

2.0K
Continuing care describes the variety of health, personal, and social services provided over a prolonged period. The need for continuing care is increasing because people are living longer. Many people do not have families or others to care for them. Continuing care is mainly for patients who are disabled, functionally dependent, or suffering from a terminal disease. It is available within institutional settings or in homes. Examples include nursing centers or facilities, assisted living,...
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Related Experiment Video

Updated: Feb 10, 2026

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit
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Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit

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Neurological intensive care in India.

B T Desai1, A Vijayaraghavan1

  • 1Department of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala 695011, India.

The National Medical Journal of India
|May 19, 2018
PubMed
Summary

Neurological emergencies in India have high mortality, especially in comatose patients requiring artificial ventilation. Selective use of ventilation for reversible causes is recommended to optimize intensive care unit (ICU) utilization.

Area of Science:

  • Neurology
  • Critical Care Medicine
  • Public Health

Background:

  • Optimal utilization of intensive care units (ICUs) is crucial, particularly in resource-limited settings like India.
  • Limited availability of artificial ventilators necessitates data-driven decisions for neurological emergencies.
  • Physicians require outcome data to guide treatment and advise families on artificial ventilation and pressor agent use.

Purpose of the Study:

  • To analyze the outcomes of patients admitted to a neurological intensive care unit.
  • To correlate patient outcomes with the presence of coma, respiratory failure, or neither.
  • To inform decisions regarding the allocation of scarce resources like artificial ventilators.

Main Methods:

  • A retrospective analysis of 271 patients admitted to a 5-bed neurological ICU over 24 months.

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Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies

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The Application of Point-of-Care Ultrasonography (POCUS) in the Management of Acute Respiratory Distress Syndrome (ARDS) in the Intensive Care Unit
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The Application of Point-of-Care Ultrasonography (POCUS) in the Management of Acute Respiratory Distress Syndrome (ARDS) in the Intensive Care Unit

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  • Patients were categorized into three groups: coma (Group I), respiratory failure without coma (Group II), and no respiratory failure or coma (Group III).
  • Outcomes were assessed based on group allocation, including mortality rates and recovery.

    • Main Results:

    • Overall mortality was 44%, with significantly higher rates in Group I (86%) and Group II (56%) compared to Group III (12%).
    • Comatose patients requiring ventilatory support had a 95% mortality rate.
    • Patients with Guillain-Barré syndrome requiring ventilation had a lower mortality rate (40%) compared to other ventilated comatose patients.

    Conclusions:

    • Artificial ventilation should be reserved for comatose patients with potentially reversible conditions, such as status epilepticus.
    • A multicenter study in developing countries is needed to further investigate the prognosis of coma and ICU utilization.
    • These findings highlight the critical need for resource optimization in neurological critical care.