1812 results
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
of lgE Abs that bind ... cell surfaces causes ... an immune reaction ... exposure to allergen causes ... Classification #Diagnosis
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
cytokines Common causes ... : - Drug reaction ... infection - Allergic reaction ... #Differential #Diagnosis ... #Causes
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
- Differential Diagnosis ... during an allergic reaction ... Or Inflammatory Reactions ... #Differential #Diagnosis ... #causes #hematology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... Allergen-specific lgE causes ... lgM antibodies bind ... Acute transfusion reaction ... hypersensitivity #reactions
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
and Extrinsic Causes ... autoimmune (most of the causes ... hemolytic transfusion reactions ... #Differential #Diagnosis ... #Causes #Algorithm
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
- Differential Diagnosis ... Bullous impetigo - Reaction ... diabeticorum) - Reaction ... #Differential #Diagnosis ... #Algorithm #causes
Estimated Incidence of Transfusion Reactions
Graphical Depiction of transfusion reactions ordered from most highest to lowest incidence.
#Diagnosis
of Transfusion Reactions ... of transfusion reactions ... #Diagnosis #Blood ... Transfusion #Consent #Reactions
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential Diagnosis ... Imperative to diagnose ... avoid allergic reactions ... Pseudocellulitis: • Drug reaction ... #Differential #Diagnosis
Drugs Causing Acute Pancreatitis

Class Ia: The medications in which there was a rechallenge and other causes
rechallenge and other causes ... out other common causes ... Class II: Cases ... #Pancreatitis #Causes ... #Differential #Diagnosis
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... Anemia Intrinsic Causes ... Intravascular Causes ... • Transfusion reactions ... #Differential #Diagnosis