34 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
• Peripheral blood ... for secondary causes ... (common causes ... are asthma, allergy ... , drug reaction,
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
Eosinophilia and ... associated with allergic ... (in this case Tegretol ... Images #Clinical #Dermatology ... #DrugReaction #Eosinophilia
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
Eosinophilia and ... associated with allergic ... (in this case Tegretol ... Images #Clinical #Dermatology ... #DrugReaction #Eosinophilia
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. ... complexes bind ... histamine) into the blood
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Causes of Eosinophilia ... Allergies): - Allergic ... Rhinitis - Allergic ... Differential #Diagnosis #Causes ... #hematology
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
Eosinophils (Eos ... : - Drug reaction ... infection - Allergic ... reaction - Atopic ... + T cells) - Allergic
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
of lgE Abs that bind ... cell surfaces causes ... causes development ... An allergic reaction ... #Allergic #Reactions
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
attributable to eosinophilia ... with blood eosinophilia ... Secondary Causes ... : - Allergic disorders ... #diagnosis #hematology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
the total white blood ... released during an allergic ... reaction or asthma ... Or Inflammatory Reactions ... #hematology #basophils
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... lgM antibodies bind ... #types #allergy