33 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
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
reaction • Type ... reaction • Type ... An allergic reaction ... #Allergic #Reactions ... Classification #Diagnosis
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
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... Mechanism of Action: Allergen-specific ... Acute transfusion reaction ... recruitment of leucocytes ... #types #allergy
Evaluation of Leukocytosis:
The term 'leukocyte' applies to any cells within the myeloblast, monoblast, & lymphoid lineages.
Include
Leukocytosis: The term 'leukocyte ... cells within the myeloblast ... Leukemoid reaction ... Leukemoid Reaction ... precursor cells to leukocytes
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
hypersensitivity reactions ... hypersensitivity #reactions ... Classification #Allergy ... #Diagnosis
Algorithm for Suspected Penicillin Allergy in Patients Undergoing Surgery 

• Cephalosporins may be prescribed to patients
Suspected Penicillin Allergy ... reported penicillin allergy ... • If the reaction ... likelihood of a reaction ... are diagnosed as
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
• Blasts > 10% leukocytes ... Splenomegaly • ↑ Leukocyte ... Neutrophils • Immature/Myeloblasts ... AML Dx: • ↑ Leukocyte ... Hematology #Oncology #Diagnosis
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
causes: - Drug reaction ... infection - Allergic ... reaction - Atopic ... + T cells) - Allergic ... #Differential #Diagnosis