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

REBEL EM

How Long Should We Monitor After Giving IM Epinephrine for Anaphylaxis? Bottom Line Up Top: After prompt recognition and appropriate treatment with IM epinephrine, the risk of biphasic reactions are exceedingly low. At the time of discharge, appropriate patient education and prescriptions for IM epinephrine are essential.

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Transfusion Reactions

Core EM

Author: Natalie Bertrand, MD Editor: Naillid Felipe, MD Background: Definition: adverse reaction to blood product administration Incidence: more common in children than adults, except for delayed hemolytic transfusion reactions Allergic (non-anaphylaxis) – Platelets 1-3%; RBCs 0.1-0.3%

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Anaphylactic Shock

REBEL EM

Anaphylactic Shock is an acute, life-threatening hypersensitivity disorder, with a generalized, rapidly evolving, multi-systemic allergic reaction (IgE-mediated disorder). If not treated rapidly can become fatal.

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Transfusion Reactions

Core EM

Author: Natalie Bertrand, MD Editor: Naillid Felipe, MD Background: Definition: adverse reaction to blood product administration Incidence: more common in children than adults, except for delayed hemolytic transfusion reactions Allergic (non-anaphylaxis) – Platelets 1-3%; RBCs 0.1-0.3%

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Anaphylaxis, chest pain, and ST elevation in aVR

Dr. Smith's ECG Blog

Sent by anonymous, written by Pendell Meyers A man in his late 40s presented to the ED with concern for allergic reaction after accidentally eating a potential allergen, then developing an itchy full body rash and diarrhea. In the ED he received methylprednisolone, diphenhydramine, and epinephrine for possible anaphylaxis.

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REBEL Core Cast 108.0 – Angioedema

REBEL EM

Urticaria and pruritus = MAST CELL mediated, which is treated like a standard allergic reaction. Urticaria and pruritus = MAST CELL mediated, which is treated like a standard allergic reaction. Understanding the cause of angioedema (mast cell vs. bradykinin mediated) helps dictate directed management.

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

REBEL EM

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. Resources: Banerji A, Long AA, Camargo CA Jr. Allergy Asthma Proc. Ledford, D.