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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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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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Pediatric Balanitis and Balanoposthitis

Pediatric EM Morsels

Most often occurs in uncircumcised males [Assim 2022] Buildup of sloughed and dead skin, microorganisms, and secretions between the foreskin and the glans Incidence in children shown to range from 0.05% up to 20% [Kayaba 1996, Hsieh 2006] Between 6% and 20% in uncircumcised men [Assim 2022, Perkins 2024] Pediatrics usually presents between 2y and 5y (..)

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Clinical Conundrums: Should I Pretreat Patients with Contrast Allergy Prior to IV Contrast Administration?

REBEL EM

Bottom Line Up Top: Pretreatment is ineffective and unnecessary as it does not significantly reduce the risk of serious adverse reactions to contrast. Pretreatment should not delay imaging required for definitive diagnosis. Do you pretreat the patient prior to CT scan or proceed without delay and risk an allergic reaction?

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Navigating Anaphylaxis: Causes, Symptoms, and Treatment

Paramedics World

It’s a severe, potentially life-threatening allergic reaction that can occur within minutes. Anaphylaxis is a word that strikes fear in the hearts of many. For those who have experienced it—or… The post Navigating Anaphylaxis: Causes, Symptoms, and Treatment appeared first on Paramedics World.

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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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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.