11 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... Purpura Anti-GBM antibodies ... Glomerulonephritis #Vasculitis #differential ... diagnosis #algorithm #rheumatology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... B12 - Anti-IF Antibodies ... B12 - Anti-IF Antibodies ... • Rule out B12 and ... Algorithm #Causes #Hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... deficiency • Fanconi’s anemia ... Inflammatory and ... Diseases: • Systemic lupus ... #Diagnosis #Hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
- Hemolytic anemia ... SLE-Related Auto-Antibodies ... : - ANA 95-100% ... Diagnosis and Lupus ... #rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
histiocytosis, and ... (-) hemolytic anemia ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Monoclonal #Differential
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
usually IgG) (e.g. lupus ... disease, Copper and ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... lymphopenia, low PLT • Anemia ... 1, SCL-70, RNP antibodies ... anticardiolipin antibodies
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Autoimmune Vasculitis (lupus ... for hepatitis B and ... Algorithm #Causes #dermatology ... #physicalexam
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Sensitive Antibodies ... Donath-Landsteiner Antibodies ... • Symptoms of anemia ... younger pts) Differential ... #hematology #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... function test, ANA ... anti-phospholipid antibodies ... changes), high MCV anemia ... Causes #Workup #hematology