17 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... Stevens-Johnson Syndrome ... , Contact Dermatitis ... #Types #Classification ... #Diagnosis #Definitions
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
- Differential Diagnosis ... anyone - Allergic ... #Eczematous #SkinRash ... #Differential #Diagnosis ... #Algorithm #causes
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
degranulation, leading ... cell surfaces causes ... causes development ... #Types #Classification ... #Diagnosis #Definitions
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
When the specific allergen ... cellular antigen, leading ... - Contact dermatitis ... Hypersensitivity #Types #Classification ... #Diagnosis #Reactions
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Causes of Eosinophilia ... - Differential Diagnosis ... Rhinitis - Allergic ... Dermatitis - ... Hypereosinophilic Syndrome
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
antibiotics and avoid allergic ... reaction • Contact dermatitis ... Angioedema • Sweet syndrome ... stasis • Stasis dermatitis ... • Compartment syndrome
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... cell antigens, leading ... Examples: Contact dermatitis ... reactions #types #allergy ... #table #classification
A quick infographic on various pearls about atopic dermatitis, a disease with an increasing burden on
medications #treatment #diagnosis ... #causes #atopy ... #dermatology #skinrash ... Allergy. 2018;73 ... J Allergy Clin Immunol
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... Oral sodium loading ... standard conditions (supine ... • Cushing’s syndrome ... #Differential #Diagnosis
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
febrile neutrophilic dermatosis ... Causes: - Idiopathic ... - Allergic contact ... dermatitis - Cellulitis ... #diagnosis #dermatology