157 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... Penicillin-induced drug reaction ... Dermatitis (ie. reaction ... #Allergic #Reactions ... Classification #Diagnosis
Allergic Reaction Classification
Type 1 reaction: Acute anaphylactic reaction
Type 2 reaction: Cytotoxic reaction
Type 3 reaction: Immune complex
Type
Allergic Reaction ... Type 2 reaction ... #Allergic #Reaction ... Classification #Types #allergy ... #diagnosis
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Allergic Contact ... Contact #Dermatitis #Allergic ... #Allergy #Dermatology ... #Rash #Skin
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Antibodies that bind ... leading to an allergic ... reaction. ... Sensitization" to Allergen ... complexes bind
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
of lgE Abs that bind ... reaction • Type ... An allergic reaction ... #Allergic #Reactions ... Classification #Diagnosis
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
hypersensitivity reactions ... Days to Weeks (Rash ... hypersensitivity #reactions ... Classification #Allergy ... #Diagnosis
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... syndrome, POEMS • Reaction ... post-splenectomy, Exercise, Allergic ... reactions Matthew ... #Differential #Diagnosis
Penicillin Allergy Pathway for Antibiotic Prescription in Patients With Penicillin Allergy
Mild Reaction - Itching, Minor rash
Mild Reaction ... Itching, Minor rash ... Maculopapular rash ... urticaria OR Unknown reaction ... nephritis, Drug rash
Baclofen Skin Rash

When a nursing home patient re-presents to the Emergency Department, go through their medication
Baclofen Skin Rash ... Baclofen #Skin #Rash ... #Dermatology #DrugReaction ... #Allergy #Clinical
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Classification Diagnosis ... Angioedema: • Acute allergic ... exposure • Non-allergic ... drug reaction - ... Classification #Types #Diagnosis