116 results
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Bullous impetigo - Reaction ... diabeticorum) - Reaction ... Vesiculobullous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Symptoms Distinguishing Groups of Cutaneous Drug Reactions
IgE-mediated reactions:
 • Onset minutes to hours into treatment course
Cutaneous Drug Reactions ... IgE-mediated reactions ... Raised off of the skin ... Blistering and/or skin ... #dermatology #clinical
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Causes of Pseudocellulitis ... Cellulitis: Deep skin ... avoid allergic reactions ... Pseudocellulitis: • Drug reaction ... #dermatology #skin
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... • Secondary Causes ... fever • Drug reactions ... Differential #Diagnosis #hematology ... #rheumatology #
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
during an allergic reaction ... Or Inflammatory Reactions ... Chickenpox Other Causes ... Differential #Diagnosis #causes ... #hematology #basophils
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme: skin ... secondary to allergic reaction ... Images #Clinical #Dermatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... eosinophilia (common causes ... allergy, drug reaction ... symptoms (eg, skin ... Differential #diagnosis #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... elliptocytosis Extrinsic Causes ... Intravascular Causes ... • Transfusion reactions ... classification #hematology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
Drug Reaction with ... characterized by extensive skin ... Edema in 70% of cases ... Skin involvement ... DRESS #Syndrome #dermatology
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