74 results
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Origin (FUO) - Differential ... Brucellosis, Q fever, EBV ... , Sarcoidosis, Adult ... , Kikuchi disease ... #Origin #FUO #Differential
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's ... Disease Clinical ... fraction < 20% Differential ... Coxsackie, CMV, EBV ... autoinflammatory diseases
Causes of Hypercalcemia due to increased Vitamin D levels
 • The BIG 3:
granulomatous diseases ... vasculitis, Crohn's disease ... CYP24A1 mutation (adult ... VitaminD #causes #differential
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Epidemiology: young adults ... Immunosuppression (e.g., HIV), EBV ... infection, Autoimmune diseases ... involvement Differential ... oncology #diagnosis #differential
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Splenomegaly - Differential ... Bacterial • Viral (EBV ... • Gaucher's Disease ... Glycogen Storage Disease ... Spleen #Enlarged #Differential
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Syndromes and Mimics - Differential ... Vasculitis - Anti-GBM ... Disease - Double ... , mitral valve disease ... Syndromes #Mimics #Differential
Spectrum of Glomerular Diseases
Nephrotic - Mechanism:
 • Injury to podocytes
 • Changed architecture: Scanning. Deposition of
of Glomerular Diseases ... • Breaks in GBM ... #Glomerular #Diseases ... #differential #
Acute Kidney Injury (AKI) - Differential Diagnosis Framework

PRE-Renal AKI:
 • Hypovolemia
 • Congestion
 • Medications
 •
Injury (AKI) - Differential ... Immune-complex disease ... , Anti-GBM • Tubular ... Bilateral ureteral disease ... Kidney #Injury #Differential
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Lymphadenopathy - Differential ... • Cervical: EBV ... Thyroid / larynx disease ... Infection: Acute HIV, EBV ... Lymphadenopathy #Differential
Diagram of different types of bone tumors that can occur around the knee on XRay -
involucrum • Paget disease ... phase • Paget disease ... Diagnosis #Bony #Differential ... #msk #lesions #adult