REBELCast Episode 1

01 Jul
July 1, 2014
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REBELCast LogoWelcome to REBELCast Episode 1, where Matt, Swami, and I are going to tackle a couple of scenarios to help your clinical practice.  Today, we are going to specifically tackle two different topics:

  • Topic #1: Clinically Important Biphasic Anaphylaxis
  • Topic #2: Total Lymphocyte Count (TLC) as a Surrogate Marker for CD4 Counts

REBELCast Episode 1 Podcast


Click Here for Direct Download of Podcast

What are the clinical questions that will be covered in REBELCast Episode 1?

  • Question #1: How long do I really need to monitor a patient for who has presented with anaphylaxis and has complete resolution of symptoms afar administration of medications?
  • Question #2: Can we use Total Lymphocyte Count (TLC) as a surrogate marker for CDR counts in HIV/AIDs patients?

What are the specific articles we will be covering?

  • Grunau BE et al. Incidence of Clinically Important Biphasic Reactions in Emergency Department Patients with Allergic Reactions or Anaphylaxis. Ann of EM 2014; 63(6): 736 – 44. (24239340)
  • Rohacek M et al. Biphasic Anaphylactic Reactions: Occurrence and Mortality. Eur J All Clin Imm 2014; 69(6): 791 – 7. (24725226)
  • Obirikorang C et al. Total Lymphocyte Count as a surrogate Marker for CD4 Count in Resource-Limited Settings. BMC Infectious Diseases Journal 2012; 12(128): 1 – 5. ( 22676809)

What are the clinical bottom lines for the above clinical questions:

  • Bottom Line #1: Prolonged observation is likely unnecessary in patients who’s symptoms resolve with therapy in the ED.  Clinically important biphasic reactions are rare (0.18% – 2.7%), and can occur anywhere from 10 minutes up to 6 days after presentation.
  • Bottom Line #2: Total Lymphocyte Count (TLC) can be used as a rough surrogate marker of CD4 counts in patients when the gold standard CD4 count is not available in patients who are not on antiretroviral therapy, but use caution in using this marker as the sole absolute cut-off value in making clinical decisions.

REBELCast Episode 1 Show Notes

 

Also Checkout some other resources on Anaphylaxis:

 

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Bibliography

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Salim Rezaie

Clinical Assistant Professor of EM and IM at University of Texas Health Science Center at San Antonio (UTHSCSA)
Creator & Founder of R.E.B.E.L. EM

Latest posts by Salim Rezaie (see all)

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5 replies
  1. Chris Cresswell says:

    Hi guys

    Looking thru the small print of AgileMD it talks about “service subscription and content access fees” and that I authorise AgileMD to charge me.

    is it free or not????

    Reply
    • Salim Rezaie says:

      Hey Chris,
      AgileMD is FREE!! Setting up an account is FREE. There is a library of downloads, and some things in that library are free and some cost money.

      Many of us have setup FREE (i.e. FOAM) downloads….including:

      Pediatric EM Morsels
      EM Cases
      REBEL Reviews
      ALiEM PV Cards
      WiK EM

      just to name a few….Does this help?

      Salim

      Reply
  2. Erich Hanel says:

    Great podcast, quick and to the point!

    Reply

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  1. […] review Episode 1 of Dr. Salim Rezaie’s REBEL Cast covering exposing the dogma behind biphasic anaphylaxis […]

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