43 results
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... Lemierre's syndrome ... , Vasculitis (Temporal ... arteritis is prob ... the most common vasculitis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Juvenile idiopathic arthritis ... Non-Infectious Causes ... • Rheumatoid arthritis ... • Hyper-IgD syndrome ... Brucellosis Faget's Sign
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: • Fevers • Fatigue ... purpura: Strong sign ... and branches • Fever ... pulse deficits vascular ... tract, and often causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... - Fever - Conjunctivitis ... : • Fevers • ... Night sweats • Arthralgias ... purpura: strong sign
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... Vascular Sludging ... , and arthritis) ... SLE), rheumatoid arthritis
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
characterized by fever ... Episcleritis Signs ... and arthralgia) ... Causes: - Idiopathic ... Leukocytoclastic vasculitis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Differential Diagnosis Algorithm ... • Rheumatic Fever ... Sicca) Syndrome ... • Rheumatic Fever ... #Orthopedics #Causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Etiology: • Vascular ... Disruptions in vascular ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... mountain spotted fever
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... SLE, Rheumatoid Arthritis ... Mediterranean Fever ... • Vasculitis: ... Differential #Diagnosis #Causes
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad: Fever ... , Arthralgia/arthritis ... abnormalities • Muscular ... Disease #diagnosis #management