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Related Concept Videos

Post-traumatic Stress Disorder01:27

Post-traumatic Stress Disorder

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Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
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Noncompartmental Analysis: Mean Residence Time01:05

Noncompartmental Analysis: Mean Residence Time

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According to statistical moment theory, mean residence time (MRT) is an important measure in pharmacokinetics. MRT can be defined as the expected mean of a probability density function distribution. It provides valuable insights into drug disposition in the body.
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Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
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Traumatic Memory01:20

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Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual...
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Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
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Responses to Heat and Cold Stress02:45

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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Updated: Jan 21, 2026

Stress-Enhanced Fear Learning, a Robust Rodent Model of Post-Traumatic Stress Disorder
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Post-traumatic Stress Disorder in Resident Physicians.

Theresa Lo1, Lara De Stefano2, Shaohua Lu1

  • 1Psychiatry, University of British Columbia, Vancouver, CAN.

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|August 13, 2019
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Summary

Medical residents experience symptoms of post-traumatic stress disorder (PTSD) at a higher rate than the general population. This study investigated PTSD prevalence in resident physicians using the DSM-5 criteria and the PCL-5 checklist.

Keywords:
anxietydepressionhospitalmental healthmood disordersptsdresident physicianswork place

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Area of Science:

  • Medical Education
  • Psychiatry
  • Public Health

Background:

  • Research indicates potential for post-traumatic stress disorder (PTSD) symptoms in physicians after traumatic events.
  • The prevalence of PTSD symptoms among medical residents remains largely unexamined.
  • This study addresses the gap in understanding PTSD symptomology within the resident physician population.

Purpose of the Study:

  • To determine the prevalence of PTSD symptoms in resident physicians at the University of British Columbia.
  • To assess these symptoms based on the Diagnostic and Statistical Manual of Mental Disorders-fifth edition (DSM-5) criteria.
  • To identify potential correlations between PTSD symptoms and postgraduate year or type of traumatic event.

Main Methods:

  • An online questionnaire was distributed to resident physicians at the University of British Columbia.
  • The survey included questions on residency training and the PTSD Checklist for DSM-5 (PCL-5).
  • Data from 38 residents with complete responses were analyzed.

Main Results:

  • The mean PCL-5 score was 10.3, with variations across postgraduate years and reported traumatic events.
  • Bullying and experiencing no trauma were associated with higher PCL-5 scores (38.0 and 45.0, respectively).
  • 10.5% of residents scored 33 or higher on the PCL-5, indicating potential PTSD symptoms.

Conclusions:

  • Resident physicians exhibit PTSD symptoms at a rate exceeding that of the average American population.
  • These distressing symptoms can negatively impact a resident's work ethic.
  • Further research is warranted to understand and improve the care for PTSD symptoms in this population.