What are the indicators of poor prognosis in heat stroke?

Updated: Aug 02, 2019
  • Author: Robert S Helman, MD; Chief Editor: Joe Alcock, MD, MS  more...
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Indicators of poor prognosis during acute episodes include the following:

  • Initial temperature measurement higher than 41°C (106°F) or a temperature higher than 42°C (108°F) or a temperature persisting above 39°C (102°F) despite aggressive cooling measures

  • Coma duration longer than 2 hours

  • Severe pulmonary edema

  • Delayed or prolonged hypotension

  • Lactic acidosis in patients with classic heat stroke

  • Acute kidney injury and hyperkalemia

  • Aminotransferase levels greater than 1000 IU/L during the first 24 hours

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