24 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... #Allergic #Reactions ... Classification #Diagnosis ... #Definitions
Hypereosinophilia (HE) Summary

 • Definition
 • When to Suspect?
 • A Partial Classification of Hypereosinophilia
 •
Summary • Definition ... Hypereosinophilia • Diagnostic ... Hypereosinophilia #HE #hematology ... #diagnosis #management
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Hypersensitivity: Definitions ... leading to an allergic ... leading to an allergic ... Classification #Diagnosis ... #Definitions
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
- Differential Diagnosis ... • Acne • Allergy ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
- Differential Diagnosis ... hypereosinophilia > 1500): Allergic ... #Differential #Diagnosis ... #causes #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
causes are asthma, allergy ... #Differential #diagnosis ... #hematology #eosinophilia
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... → Refer to hematology ... post-splenectomy, Exercise, Allergic ... #Differential #Diagnosis ... #Algorithm #hematology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
- Differential Diagnosis ... anyone - Allergic ... Eczematous #SkinRash #dermatology ... #Differential #Diagnosis
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
- Differential Diagnosis ... released during an allergic ... #Differential #Diagnosis ... #causes #hematology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- Differential Diagnosis ... Allergies): - Allergic ... Rhinitis - Allergic ... #Differential #Diagnosis ... #Causes #hematology