5 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... - Contact dermatitis ... Pathophysiology #Allergy ... Diagnosis #Reactions #Table
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash - Differential ... anyone - Allergic ... #Eczematous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... Examples: Contact dermatitis ... reactions #types #allergy ... #table #classification
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... gonorrhoeae, Viral, Allergic ... Foreign body • Keratitis ... #Diagnosis #table ... #causes #ophthalmology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... of PCN allergy ... Blastomyces - Dermatitidis ... Lung Abscess Differential ... Abscess #pulmonary #differential