Difference between revisions of "Heat cramps"

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==Background==
 
==Background==
#Painful, involuntary, spasmodic contractions of skeletal muscles
+
*Occurs to those who sweat profusely and replace fluid losses with water
##Usually affects calves, thighs and shoulders
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**May occur during exercise, but more common during rest several hours later
#Occurs to pts who are sweating profusely and replace fluid losses with water
+
*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>
##May occur during exercise or during a rest period several hrs later
 
==Treatment==
 
#Self-limited
 
#Pain is difficult to tx; often does not respond to opiates alone
 
#Gatorade or NS IV
 
  
==Source==
+
==Clinical Features==
Tintinalli
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*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
  
[[Category:Environ]]
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==Differential Diagnosis==
 +
{{Template:Heat Emergencies}}
 +
 
 +
==Evaluation==
 +
*Clinical diagnosis
 +
 
 +
==Management==
 +
*Self-limited
 +
*[[analgesia|Pain]] is difficult to treat
 +
**Often does not respond to [[opioids]] alone
 +
*Hydration
 +
**Mild symptoms: sports drinks
 +
**Severe symptoms: IV [[normal saline]]
 +
 
 +
==Disposition==
 +
*Usually outpatient
 +
 
 +
==See Also==
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*[[Heat Emergencies]]
 +
 
 +
==References==
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<references/>
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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