22 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Syndrome, Contact Dermatitis ... #Allergic #Reactions ... #Types #Classification
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... causes development ... of allergen-specific ... Allergic reaction ... Syndrome • Contact Dermatitis
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema - Classification ... Angioedema: • Acute allergic ... exposure • Non-allergic ... cell-mediated in > 90% of cases ... #Angioedema #Classification
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
) • Nummular Dermatits ... • Seborrheic Dermatitis ... • Contact Dermatitis ... anyone - Allergic ... Diagnosis #Algorithm #causes
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
Clinical Findings Classification ... Stress Test, - McMurray ... Stress Test or + McMurray ... pathophysiology #classification
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 ... Hypersensitivity #Types #Classification ... Pathophysiology #Allergy
A quick infographic on various pearls about atopic dermatitis, a disease with an increasing burden on
Atopic Dermatitis ... treatment #diagnosis #causes ... D, Galloway G, Murray ... Allergy. 2018;73 ... J Allergy Clin Immunol
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
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Causes of Pseudocellulitis ... antibiotics and avoid allergic ... Inflammatory Causes ... reaction • Contact dermatitis ... stasis • Stasis dermatitis
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
gonorrhoeae, Viral, Allergic ... Foreign body • Keratitis ... Diagnosis #table #causes