15 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
conjunctivitis Type ... Gravis, Graves' Disease ... • Ex: Systemic Lupus ... Syndrome, Contact Dermatitis ... #Types #Classification
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
• Contact dermatitis ... Bullous systemic lupus ... Vesiculobullous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
When the specific allergen ... during hemolytic disease ... , and systemic lupus ... - Contact dermatitis ... #Classification
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash - Differential ... anyone - Allergic ... #Eczematous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... reaction, Haemolytic disease ... glomerulonephritis, Systemic lupus ... Examples: Contact dermatitis ... #classification
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Chain deposition disease ... S - Systemic Lupus ... Mnemonic #diagnosis #differential ... #hematology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Classification of ... uropathy, Metabolic causes ... Diabetes #Insipidus #Classification ... #Types #Nephrology ... #Diagnosis #Differential
A quick infographic on various pearls about atopic dermatitis, a disease with an increasing burden on
treatment #diagnosis #causes ... #eczema #dermatology ... #skinrash References ... Allergy. 2018;73 ... J Allergy Clin Immunol
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
of glomerular disease ... IgA nephropathy, lupus ... autoAb against type ... #Differential # ... Diagnosis #Nephrology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Capitis - Skin Disease ... : Discoid lupus ... Scarring Alopecia: Lupus ... #Diagnosis #dermatology