32 results
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Pseudotumor - Infectious ... • CMV • HIV ... History of Bleeding, Infection ... Algorithm #Causes #Hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
spine, shoulders, hips ... By: - Chronic Infection ... - Autoimmune Rheumatologic ... Parvovirus B19 • HIV ... Diagnosis #MSK #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Quinidine • HIT ... Vasculitis • Infection ... Algorithm #Causes #Hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
history of recurrent infections ... disease • Infectious ... community-acquired infections ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... APLS • Acute Infectious ... Ig A vasculitis/HSP ... Differential #Diagnosis #hematology ... #rheumatology #
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
., HIV), EBV infection ... Etiology: - Infections ... (HIV, EN, HTLV- ... Tuberculosis • HIV ... #differential #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Framework Non-Infectious ... rare), Idiopathic Infectious ... Paracoccidioides • Viruses: HIV ... Differential #Diagnosis #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
etc) - Viral: HIV ... infiltration: malignancy, infection ... Diagnosis #Framework #hematology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
related vasculitis, infections ... Vasculitis: - Ig A (HSP ... #dermatology #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Polyclonal - Viral Infection ... Check For: • Infections ... Mycoplasma, EBV, HIV ... hemolytic #anemia #hematology