Digital EpiPen injection: Difference between revisions

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==Differential Diagnosis==
==Differential Diagnosis==
 
*Injection of other medication
*Retained [[foreign body]]
*[[Allergic reaction]]
*[[Cellulitis]]


==Evaluation==
==Evaluation==
*Typically a clinical diagnosis (no testing required)
*Typically a clinical diagnosis (no testing required)


==Treatment==
==Management==
*Observation for 2 hours after injection<ref>"Six Years of Epinephrine Digital injections: Absence of Significant Local or Systemic Effects." Annals of EM.  Sept. 2010.  56(3):p270-274.
*Observation for 2 hours after injection<ref>"Six Years of Epinephrine Digital injections: Absence of Significant Local or Systemic Effects." Annals of EM.  Sept. 2010.  56(3):p270-274.
</ref>
</ref>
*If continued ischemia symptoms after 2 hrs
**If continued ischemia symptoms after 2 hrs, inject [[phentolamine]] into the ischemic area (see procedure below)
**give [[phentolamine]] mesylate 1.5mg in 1 mL of [[lidocaine]] into the ischemic area
 
===Injection Procedure<ref>http://emj.bmj.com/content/21/3/387/</ref>===
''Epinephrine induced digital vasospasm using Phentolamine''
 
====Indications====
For use when epinephrine is accidentally or inappropriately injected
 
====Contraindications====
Drug class allergy or non-ischemia.


===Digital [[Phentolamine]] Injection Procedure<ref>http://emj.bmj.com/content/21/3/387/</ref>===
====Equipment Needed====
====Equipment Needed====
10cc syringe, phentolamine, 1-2% lidocaine, 25g needle.
*10cc syringe
*Phentolamine mesylate
*1-2% lidocaine (WITHOUT epinephrine)
*25g needle


====Technique====
====Technique====
*Dilute 1.5mg of phentolamine mesilate in 1ml of 2% lidocaine.
*Dilute 1.5mg of [[phentolamine]] mesilate in 1mL of 2% lidocaine.
*Inject subQ into the site and stop when tissue turns pink again.  
*Inject subQ into the site and stop when tissue turns pink again.  
*Observe and repeat as necessary.
*Observe and repeat as necessary.


==Disposition==
==Disposition==
*Outpatient
*Generally may be discharged


==See Also==
==See Also==

Latest revision as of 10:53, 12 December 2017

Background

  • Accidental digital self-injection of epinephrine from an EpiPen.

Clinical Features

  • Puncture wound with delayed capillary refill (vasoconstriction)

Differential Diagnosis

Evaluation

  • Typically a clinical diagnosis (no testing required)

Management

  • Observation for 2 hours after injection[1]
    • If continued ischemia symptoms after 2 hrs, inject phentolamine into the ischemic area (see procedure below)

Digital Phentolamine Injection Procedure[2]

Equipment Needed

  • 10cc syringe
  • Phentolamine mesylate
  • 1-2% lidocaine (WITHOUT epinephrine)
  • 25g needle

Technique

  • Dilute 1.5mg of phentolamine mesilate in 1mL of 2% lidocaine.
  • Inject subQ into the site and stop when tissue turns pink again.
  • Observe and repeat as necessary.

Disposition

  • Generally may be discharged

See Also

References

  1. "Six Years of Epinephrine Digital injections: Absence of Significant Local or Systemic Effects." Annals of EM. Sept. 2010. 56(3):p270-274.
  2. http://emj.bmj.com/content/21/3/387/