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Related Experiment Videos

Acute psychosis associated with diving.

R O Hopkins1, L K Weaver

  • 1Psychology Department and Neuroscience Center, Brigham Young University, Provo, Utah, USA.

Undersea & Hyperbaric Medicine : Journal of the Undersea and Hyperbaric Medical Society, Inc
|June 18, 2002
PubMed
Summary

Psychiatric disorders are rarely linked to decompression sickness (DCS). This study found two psychosis cases post-diving were not DCS, highlighting the need for careful evaluation in divers presenting with psychosis.

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Area of Science:

  • Neurology
  • Psychiatry
  • Diving Medicine

Background:

  • Decompression sickness (DCS) is a risk for divers, potentially causing neurological and psychological symptoms.
  • Previous literature suggests links between DCS and psychiatric conditions like depression and personality changes.

Observation:

  • Two patients presented with acute psychosis after diving, suspected as DCS.
  • One patient had inconsistent DCS symptoms; the other had mild joint pain, fatigue, and psychosis with no other DCS signs.
  • Neither patient was ultimately diagnosed with DCS or arterial gas embolism (AGE) after thorough medical evaluation.

Findings:

  • The reported cases of acute psychosis following diving were determined not to be caused by DCS or AGE.
  • The symptom profiles and dive data made DCS unlikely in both patients.

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  • Pure psychotic episodes are highly unlikely to stem directly from DCS.

    • Implications:

    • Physicians should consider recompression therapy for divers with suspected DCS/AGE and psychosis while completing evaluations.
    • Divers presenting with acute psychosis but lacking typical DCS/AGE symptoms and having uncomplicated dive profiles are unlikely to have DCS or AGE.
    • This case series underscores the importance of differential diagnosis in divers experiencing psychological symptoms post-dive.