16 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Autoimmune Hemolytic anemia ... Gravis, Graves' Disease ... complexes • Ex: Systemic ... Lupus Erythematosus ... #Types #Classification
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Chain deposition disease ... Lupus Erythematosus ... Mnemonic #diagnosis #differential ... #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Coombs • IgG type ... • Blood smear: Differential ... 2) LOOK FOR a cause ... → Systematic screening ... #rheumatology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... reaction, Haemolytic disease ... glomerulonephritis, Systemic ... lupus erythematosus ... #classification
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... Chronic hemolytic anemia ... multifactorial mechanisms Hematologic ... #Diagnosis #Differential ... #Causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... permanent alopecia Differential ... • Type-I Interferonopathies ... lymphopenia, low PLT • Anemia ... #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... • Autoimmune diseases ... lupus erythematosus ... #classification ... #rheumatology #
A quick infographic on various pearls about atopic dermatitis, a disease with an increasing burden on
, a disease with ... #diagnosis #causes ... #skinrash References ... Allergy. 2018;73 ... J Allergy Clin Immunol
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... ischemia - Skin: erythematous ... lupus erythematosus ... #diagnosis #rheumatology ... #classification
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
disease. ... Causes: - Idiopathic ... , breast CA - Hematologic ... such as certain types ... Treatment: - Systemic