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Clinical Conundrums: How Long Should We Monitor After Giving IM Epinephrine for Anaphylaxis?

RebelEM

The risk of a biphasic reaction is what keeps patients in the ED while being observed for a set period of time. The overall incidence of biphasic reactions is unknown with rates quoted from < 0.5% up to 23% ( Lieberman 2005 , Rohacek 2014 , Tole 2007 , Grunau 2014 ). Biphasic Anaphylactic Reactions.

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REBEL Core Cast 108.0 – Angioedema

RebelEM

Urticaria and pruritus = MAST CELL mediated, which is treated like a standard allergic reaction. patients that take ACE inhibitors (but 20-30% of all angioedema presentations to the Emergency Department) 3 times more common in Black Americans ( Kostis 2005 ) 0.01 of people who take NSAIDs ( Nzeako 2010 ).

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Cetirizine Vs Diphenhydramine For the Treatment of Acute Urticaria in the ED

RebelEM

Background: Diphenhydramine, a first-generation antihistamine, is the most common pharmacologic agent used to treat acute allergic reactions. Diphenhydramine versus nonsedating antihistamines for acute allergic reactions: a literature review. 2005 Sep;116(3):643-9. Resources: Banerji A, Long AA, Camargo CA Jr.

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CT Angiography Head and Neck: Indications and Limitations

EMDocs

An understanding of the risks involved including allergic reaction, radiation exposure, contrast extravasation, and contrast-associated nephropathy allows for a thorough risk-benefit analysis prior to ordering these studies. AJR Am J Roentgenol 2005, 185 (3), 772-783. Am Fam Physician 2005, 72 (8), 1492-1500. Fischer, S.;

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