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Related Concept Videos

Observational Studies01:11

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Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
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If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
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The actor-observer effect, a cognitive bias closely linked to the fundamental attribution error, refers to the tendency for individuals to attribute their behavior to external, situational factors while explaining others’ behavior in terms of internal, dispositional traits. This asymmetry in attribution significantly influences social perception and judgment.Cognitive Mechanisms Behind the EffectTwo primary psychological mechanisms contribute to the actor-observer effect: differences in...
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Related Experiment Video

Updated: Feb 15, 2026

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
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When do trauma patients lose temperature? - a prospective observational study.

S C Eidstuen1, O Uleberg2,3,4, G Vangberg5

  • 1Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.

Acta Anaesthesiologica Scandinavica
|January 10, 2018
PubMed
Summary
This summary is machine-generated.

Trauma patients frequently develop hypothermia at the scene, with temperatures dropping significantly before hospital arrival. Early prevention of heat loss is crucial for improving outcomes in injured patients.

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Area of Science:

  • Emergency Medicine
  • Trauma Care
  • Physiology

Background:

  • Hypothermia is common in trauma patients, leading to adverse outcomes and increased mortality.
  • Rapid recognition and intervention are vital to mitigate further heat loss.

Purpose of the Study:

  • To analyze core body temperature changes in trauma patients during pre-hospital and early in-hospital treatment phases.

Main Methods:

  • Prospective observational cohort study of severely injured patients.
  • Continuous core body temperature monitoring using epitympanic sensors.
  • Photo-documentation and grading of patient insulation.

Main Results:

  • 73% of patients were hypothermic on scene; 91% experienced temperature decline.
  • Average temperature decline was -1.7°C/h at the scene, reduced to -1.1°C/h with clothing.
  • Core temperature remained stable during ambulance and emergency department phases.

Conclusions:

  • Trauma patients are susceptible to hypothermia from the injury scene onwards.
  • Early, tailored interventions to prevent heat loss are essential, starting immediately at the scene.
  • Active rewarming during transport should be considered for trauma patients.