116 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... Female predominance Anaphylaxis ... Chronic spontaneous urticaria ... Chronic inducible urticarias ... .14674 #Cold #Urticaria
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs ... and Symptoms Anaphylaxis ... ischemia) • Urticaria ... Angioedema #Anaphylaxis
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
manifestations of anaphylaxis ... Mucosa 80-90%): Urticaria ... incontinence #anaphylaxis
Manifestations of Anaphylaxis by Body System

Dermatologic/mucosal

 - Eyes: periorbital swelling/erythema, injected conjunctiva, tears

 - Oral mucosa:
Manifestations of Anaphylaxis ... lips - Skin: urticarial ... Signs #Symptoms #Anaphylaxis
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
secondary causes: • Anaphylaxis ... infections • Chronic Urticaria
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
pollen & dust) • Urticaria ... conjunctivitis • Anaphylaxis
Penicillin Allergy Pathway for Antibiotic Prescription in Patients With Penicillin Allergy
Mild Reaction - Itching, Minor rash
lgE-Mediated) HSR - Anaphylaxis ... Hypotension, Hives/urticaria
Diagnosis and Management of Hypocomplementemic Urticarial Vasculitis (HUV)

Diagnosis of HUV
1) Chronic urticaria 
2) Leukocytoclastic vasculitis 
3)
Hypocomplementemic Urticarial ... HUV 1) Chronic urticaria ... Hypocomplementemic #Urticarial
Pediatric Anaphylaxis Algorithm 

#Anaphylaxis #Algorithm #Pediatrics #Peds #Allergy
Pediatric Anaphylaxis ... Algorithm #Anaphylaxis
Urticaria Mimics

Conditions That May Be Confused with Urticaria

Arthropod bites 
, Atopic dermatitis 
, Bullous pemphigoid 
,
Urticaria Mimics ... Confused with Urticaria ... Pityriasis rosea , Urticaria ... #Differential #Urticaria