183 results
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
Eosinophils (Eos) and hypereosinophilia ... infection - Allergic ... + T cells) - Allergic ... #Eosinophils #hypereosinophilia
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
blood eosinophilia/hypereosinophilia ... 1,500 cells/µL • Hypereosinophilia ... causes are asthma, allergy
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Eosinophilia: • Primary hypereosinophilic ... histiocytosis • Allergic ... Diagnosis #Algorithm #allergy
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Allergies): - Allergic ... Rhinitis - Allergic ... Leukemia - Primary Hypereosinophilic
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
Hypereosinophilia ... Secondary Causes: - Allergic ... Alert_Oriented3 #Hypereosinophilia
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Eosinophilia (AEC > 500, hypereosinophilia ... > 1500): Allergic
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
coccidioidomycosis), Allergic ... eosinophilia, Hypereosinophilic
Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
Hypereosinophilia ... and Hypereosinophilic ... • Secondary Hypereosinophilic ... MatthewHoMD #Hypereosinophilia ... #Hypereosinophilic
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
loss, malaise • Allergic ... , CV, renal • Hypereosinophilic
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
leading to an allergic ... Sensitization" to Allergen ... Initial exposure to allergen ... after clearance of allergen ... • Hay fever (allergic