REBEL EM

JANUARY 23, 2023

Background: Diphenhydramine, a first-generation antihistamine, is the most common pharmacologic agent used to treat acute allergic reactions. Patients were randomized in a 1:1 ratio. Anecdotally, the persistence of urticaria often has little influence on the decision to discharge a patient from the ED.

Allergic Reaction 52

Allergic Reaction ED E-9-1-1 Emergency Department 52

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.

Allergic Reaction 52

Allergic Reaction E-9-1-1 Epinephrine Coronary 52

REBEL EM

SEPTEMBER 13, 2023

Urticaria and pruritus = MAST CELL mediated, which is treated like a standard allergic reaction. Features Urticaria and pruritis Rapid onset (1-2 hours) IgE Dependent (Type I Hypersensitivity) Reactions An allergen cross-links two or more IgE molecules on mast cells or basophils and initiates a signal cascade leading to degranulation.

Frozen Plasma 105

Frozen Plasma Allergic Reaction FFP Plasma 105

EMDocs

NOVEMBER 13, 2023

The use of CTA (computed tomography angiography) in the emergency department (ED) has increased dramatically in the past 20 years. 1 One study found that CTA head and neck was ordered for 2.5% of all patients in the ED for over 800 different stated indications. In a study of 17,903 CTAs ordered in the ED, Tu et al.

E-9-1-1 86

E-9-1-1 ALS Emergency Department ED 86