12 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... antigens, leading to complement ... they activate complement ... #types #allergy ... #table #classification
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
cell surfaces causes ... causes development ... An allergic reaction ... #Allergic #Reactions ... #Types #Classification
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema - Classification ... exposure • Non-allergic ... drug reaction - ... cell-mediated in > 90% of cases ... #Angioedema #Classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
When the specific allergen ... antigen, leading to complement ... Complement activation ... Hypersensitivity #Types #Classification ... #Diagnosis #Reactions
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... and Extrinsic Causes ... hemolytic transfusion reactions ... #Hemolysis #Classification ... #Algorithm
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... • Acne • Allergy ... Hodgkin's Lymphoma #Diffuse ... #Causes #Hematology
Pediatric Mouth Disorders - Differential Diagnosis Algorithm
Teeth:
 • Teething
Painful - Gastrointestinal:
 • Crohn's Disease
 • Ulcerative
Differential Diagnosis Algorithm ... Inflammation: • Allergic ... Reaction #Mouth ... Differential #Diagnosis #Algorithm ... #Causes #Peds #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... for secondary causes ... eosinophilia (common causes ... are asthma, allergy ... , drug reaction,
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Urticaria and hypocomplementemia ... disease, drug reactions ... against MPO • Complement ... #rheumatology #classification
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
inflammatory or allergic ... Seen in systemic causes ... eczema, scabies, or allergic ... disease. 6 Causes ... : Diffuse rash that