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Decompression SicknessAka: Constitutional DCS

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  1. See Also
    1. Neurologic Decompression Sickness
    2. Inner Ear Decompression Sickness
  2. Epidemiology
    1. Recreational Scuba Incidence: 1 per 5-10,000 dives
    2. No-Decompression dives account for 50% of DCS cases
  3. Predisposing factors
    1. Dive logistics
      1. Deeper dive profile
      2. Increased rate of ascent
    2. Hypothermia
    3. Fatigue
    4. Advanced age
    5. Dehydration
    6. Alcohol intake
    7. Female gender
    8. Obesity
    9. Patent Foramen Ovale
  4. Types of Decompression Sickness
    1. Type I Decompression Sickness (Constitutional DCS)
      1. Mild Fatigue or malaise
      2. Mild symptoms involving muscles, joint and skin
    2. Type II Decompression Sickness (Severe)
      1. Inner Ear DCS
      2. Neurologic DCS
        1. Cerebral DCS (30-40%)
        2. Spinal Cord DCS (50-60%)
  5. Management
    1. See Decompression Sickness Management
  6. References
    1. Clenney (1996) Am Fam Physician 53(5):1761
    2. Newton (2001) Am Fam Physician 63(11):2211

Decompression Sickness (C0011119)

Definition (MSH)A condition occurring as a result of exposure to a rapid fall in ambient pressure. Gases, nitrogen in particular, come out of solution and form bubbles in body fluid and blood. These gas bubbles accumulate in joint spaces and the peripheral circulation impairing tissue oxygenation causing disorientation, severe pain, and potentially death.
ConceptsDisease or Syndrome (T047)
ICD9993.3, 993.3
MSHD003665
EnglishAEROBULLOSIS, BENDS, CAISSON DIS, Caisson Disease, Caisson Diseases, CHOKES, Compressed air disease, Compressed-air disease, Decompression Sickness, DIVER DISEASE, Divers' palsy, Divers' palsy or paralysis, Divers' paralysis, Rapture of the deep syndrome, The bends
Spanishparalisis de los buzos, sindrome de embriaguez de la profundidad
Parent ConceptsDysbarism (C0004760), Air pressure effects NOS (C1306873), Nitrogen Narcosis (C0028166), Barotrauma of ascent (C0413266), Ambiguous concept (C1274012), Duplicate concept (C1274013)
SourcesAOD, CSP, DXP, ICD9CM, LCH, MSH, MTH, MTHICD9, NDFRT, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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