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Demystifying airline syncope.

Thomas Kingsley1, Robert Kirchoff1, James S Newman1

  • 1Division of Hospital Internal Medicine, Department of Internal Medicine, Hospital Internal Medicine, Mayo Clinic, Rochester, MN 55905, United States.

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|April 14, 2020
PubMed
Summary
This summary is machine-generated.

Syncope, a common in-flight medical emergency, can be caused by postural hypotension or hypoxia (airline syncope). Understanding these causes and initial management is crucial for medical personnel during flights.

Keywords:
Airline syncopeAviationHypoxic syncopeIn-flight emergencyPathophysiologySyncope

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Area of Science:

  • Aerospace Medicine
  • Emergency Medicine
  • Cardiology

Background:

  • Syncope accounts for 25% of in-flight medical events and 70% of flight diversions.
  • Postural hypotension is a frequent cause of in-flight syncope.
  • Hypoxia can also induce syncope in individuals without autonomic dysfunction, termed airline syncope.

Purpose of the Study:

  • To elucidate the pathophysiology of in-flight syncope.
  • To summarize management strategies for airline syncope with limited resources.
  • To enhance understanding of airline syncope for medical personnel.

Main Methods:

  • Review of existing literature on in-flight syncope.
  • Analysis of pathophysiologic mechanisms of syncope in the aviation environment.
  • Summary of initial management steps and preventative interventions.

Main Results:

  • Postural hypotension identified as the most common etiology.
  • Hypoxia-induced syncope (airline syncope) recognized as a distinct entity.
  • Initial management includes positioning and basic resuscitation (airway, breathing, circulation).

Conclusions:

  • Effective management of in-flight syncope requires understanding its pathophysiology.
  • Coordination with ground control is vital for diversion decisions.
  • Preventative measures like mental challenge and increased salt/fluid intake may be considered.