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<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}}
  
==Treatment==
+
==Evaluation==
#Self-limited
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*Clinical diagnosis
#Pain is difficult to treat
+
 
## often does not respond to opiates alone
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==Management==
#Gatorade or NS IV
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*Self-limited
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*[[analgesia|Pain]] is difficult to treat
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**Often does not respond to [[opioids]] alone
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*Hydration
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**Mild symptoms: sports drinks
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**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==
+
==References==
Tintinalli
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<references/>
  
[[Category:Environ]]
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[[Category:Environmental]]

Latest revision as of 18:58, 28 September 2019

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

Evaluation

  • Clinical diagnosis

Management

  • Self-limited
  • Pain is difficult to treat
    • Often does not respond to opioids alone
  • Hydration

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