24 results
Causes of Urticaria

Immunoglobulin E (IgE) mediated

 - Aeroallergens

 - Contact allergen

 - Food allergens

 - Insect
Causes of Urticaria ... Aeroallergens - Contact allergen ... mediated - Contact allergen ... #Diagnosis #Differential ... Mediated #NonIgE #Causes
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
of lgE Abs that bind ... cell surfaces causes ... mediated; exposure to allergen ... causes development ... of allergen-specific
Top Ten Contact Allergens (North American Contact Dermatitis Group) and Other Common Contact Allergens

#Contact #Allergens #Top
Top Ten Contact Allergens ... #Top #Differential ... #Causes #Diagnosis ... #Allergy #Dermatitis ... #Dermatology
Assessment of the Child with Eczema
Distribution of atopic eczema - The distribution of eczema tends to
Causes of exacerbation ... Ingestion of an allergen ... an irritant or allergen ... - What causes exacerbation ... condition and its management
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
exposure • Non-allergic ... cell-mediated in > 90% of cases ... or avoiding the allergen ... Diagnosis #Treatment #management ... #allergy
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... , Drug allergies ... lgM antibodies bind ... reactions #types #allergy
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Causes of Eosinophilia ... - Differential ... Glucocorticoids Pugs (Allergies ... ): - Allergic ... #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Lymphadenopathy - Differential ... • Acne • Allergy ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Causes of Leukocytosis ... and Leukopenia - Differential ... hypereosinophilia > 1500): Allergic ... #Diagnosis #causes ... #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... eosinophilia (common causes ... are asthma, allergy ... Disorders #Algorithm #Differential ... #diagnosis #hematology