23 results
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... - Kawasaki disease ... - systemic lupus ... induced by chronic ... #Diagnosis #Rheumatology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Non-infectious Inflammatory Diseases ... onset Still's disease ... dysfunction, Castleman disease ... , Kikuchi disease ... #Diagnosis #causes
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
polychondritis, Behcet's Disease ... ) • Rheumatic Diseases ... : IgG4-Related Disease ... (RA), Systemic lupus ... #Diagnosis #rheumatology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Disease Normal ... Disease (e.g. ... Renal Disease, Liver ... Disease, Endocrinopathy ... #Causes #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Bone marrow disease ... deficiency • Liver disease ... Von Willebrand disease ... #Diagnosis #hematology ... #rheumatology #
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung Diseases ... Connective Tissue Disease ... connective tissue disease ... bronchiolitis-interstitial lung disease ... Interstitial #Lung #Diseases
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... migrans • Lyme disease ... Sarcoidosis • Crohn's disease ... lesions • Discoid lupus ... #diagnosis #rheumatology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
• Infection (e.g ... • Kikuchi Disease ... Tularemia • Secondary ... #Causes #Hematology ... #Oncology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
cold agglutin disease ... . sickle cell disease ... Hypersplenism, Wilson's disease ... #differential # ... diagnosis #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(Granulomatous disease ... rheumatic diseases ... atherosclerotic disease ... differential #diagnosis ... #rheumatology #