2951 results
Causes of Urticaria

Immunoglobulin E (IgE) mediated

 - Aeroallergens

 - Contact allergen

 - Food allergens

 - Insect
Causes of Urticaria ... Immunoglobulin E (IgE) mediated ... immunologically mediated ... Urticaria #IgE #Mediated ... #NonIgE #Causes
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Spleen and RES-mediated ... hemolysis - Immune-Mediated ... - Complement-Mediated ... Diagnosis #Algorithm #Causes
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
and Extrinsic Causes ... autoimmune (most of the causes ... would include IVIG-mediated ... Differential #Diagnosis #Causes
Etiologies of dilated cardiomyopathy. HF, heart failure; HFrEF, heart failure with reduced ejection fraction; HIV, human
Systemic immune-mediated ... diagnosis #cardiology #causes
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
DAT(+) → Immune mediated ... -) → Infection mediated ... Diagnosis #Algorithm #causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Immune Complex Mediated ... ) Pauci-immune mediated
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Immune Complex Mediated ... diagnosis #nephrology #causes
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... Immune complex mediated ... nonpalpable #palpable #Causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria: • Immune mediated ... disease Renal Causes ... Mass Ureteral Causes ... and SMA - Can cause ... urinary tract) Causes
Causes of Angioedema: Differential Diagnosis Framework
Mast-cell mediated:
 • IgE dependent allergic reactions: Food, Drugs, Latex, Stings
Causes of Angioedema ... Framework Mast-cell mediated ... Aspirin Bradykinin mediated ... Differential #Diagnosis #Causes