Allergic Reaction Definition OR 
Core EM
OCTOBER 16, 2024
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%
Core EM
OCTOBER 2, 2024
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 EM Morsels
AUGUST 2, 2024
It’s never comfortable and is often very distressing to have skin problems and infections, such as intertrigo , folliculitis , panniculitis , omphalitis , or even preseptal or periorbital cellulitis. It’s even more distressing when the skin problem affects the penis.
REBEL EM
MARCH 12, 2024
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?
Paramedics World
AUGUST 28, 2024
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.
Dr. Smith's ECG Blog
MARCH 1, 2023
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.
REBEL EM
DECEMBER 5, 2023
The overall incidence of biphasic reactions is unknown with rates quoted from < 0.5% This varied incidence can be due to inconsistent definitions or inclusion of mild reactions. Since half of biphasic reactions occur within the first 6-12 hrs ( Lee 2014 ) physicians often choose an observation time of 4-6 hrs.
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