Etiology

• Exposure
  • Excessive Insensible Fluid Loss Due to Perspiration
• Altered Mental Status with Inadequate PO Fluid Intake
  • Drug Overdose
  • Intoxication
• Severe Vomiting
  • Severe Gastroenteritis
• Severe Diarrhea
  • Severe Dysentery
  • Food-Borne Toxinoses
  • Cholera
• Third-Space Fluid Sequestration
  • Acute Pancreatitis
  • Post-Abdominal Surgery

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Clinical

• Hypotension (see Hypotension, [[Hypotension]])

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Treatment

• PRBC Transfusion
  • No specific Hct has been documented to miproved any clinical factor or outcome
  • However, doubling the Hct (from 20 to 40%) will double plasma viscosity, increasing O2 delivery to coronary arteries but increasing myocardial work

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References

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