Difference between revisions of "Heat cramps"

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==Background==
 
==Background==
*Painful, involuntary, spasmodic contractions of skeletal muscles
 
**Usually affects calves, may involve thighs and shoulders
 
 
*Occurs to those who sweat profusely and replace fluid losses with water
 
*Occurs to those who sweat profusely and replace fluid losses with water
 
**May occur during exercise, but more common during rest several hours later
 
**May occur during exercise, but more common during rest several hours later
*Typically does not involve enough muscle mass to cause rhabdomyolysis
+
*Typically does not involve enough muscle mass to cause rhabdomyolysis<ref>Waters T. Heat Emergencies In: Tintinalli's Emergency Medicine: A Comprehensive Study Guide. 7th ed. McGraw Hill Medical. 2011: 1339-1344</ref>
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 +
==Clinical Features==
 +
*Painful, involuntary, spasmodic contractions of skeletal muscles<ref>Waters T. Heat Emergencies In: Tintinalli's Emergency Medicine: A Comprehensive Study Guide. 7th ed. McGraw Hill Medical. 2011: 1339-1344</ref>
 +
**Usually affects calves, may involve thighs and shoulders
  
 
==Differential Diagnosis==
 
==Differential Diagnosis==
 
{{Template:Heat Emergencies}}
 
{{Template:Heat Emergencies}}
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 +
==Diagnosis==
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*Clinical diagnosis
  
 
==Treatment==
 
==Treatment==
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*Mild symptoms: sports drinks
 
*Mild symptoms: sports drinks
 
*Severe symptoms: IV normal saline
 
*Severe symptoms: IV normal saline
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 +
==Disposition==
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*Usually outpatient
  
 
==See Also==
 
==See Also==
 
*[[Heat Emergencies]]
 
*[[Heat Emergencies]]
  
==Source==
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==References==
Waters T. Heat Emergencies In: Tintinalli's Emergency Medicine: A Comprehensive Study Guide. 7th ed. McGraw Hill Medical. 2011: 1339-1344
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<references/>
  
 
[[Category:Environ]]
 
[[Category:Environ]]

Revision as of 12:07, 26 August 2015

Background

  • Occurs to those who sweat profusely and replace fluid losses with water
    • May occur during exercise, but more common during rest several hours later
  • Typically does not involve enough muscle mass to cause rhabdomyolysis[1]

Clinical Features

  • Painful, involuntary, spasmodic contractions of skeletal muscles[2]
    • Usually affects calves, may involve thighs and shoulders

Differential Diagnosis

Environmental heat diagnoses

Diagnosis

  • Clinical diagnosis

Treatment

  • Self-limited
  • Pain is difficult to treat
    • Often does not respond to opiates alone
  • Mild symptoms: sports drinks
  • Severe symptoms: IV normal saline

Disposition

  • Usually outpatient

See Also

References

  1. Waters T. Heat Emergencies In: Tintinalli's Emergency Medicine: A Comprehensive Study Guide. 7th ed. McGraw Hill Medical. 2011: 1339-1344
  2. Waters T. Heat Emergencies In: Tintinalli's Emergency Medicine: A Comprehensive Study Guide. 7th ed. McGraw Hill Medical. 2011: 1339-1344