16 results
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... Origin (FUO) - Differential ... Lemierre's syndrome), Malaria ... . autoimmune): Lupus ... , Rheumatoid arthritis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... • Rheumatic Fever ... • Systemic Lupus ... • Rheumatic Fever ... #Orthopedics #Causes
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
B19 infection Malar ... • Rheumatic fever ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
acute rheumatic fever ... spondyloarthropathies, lupus ... Like in this case ... #rheumatology # ... approach #workup #differential
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
, Fever, No muscle ... with temporal arteritis ... uncommon 5-15% of lupus ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... • Systemic Lupus ... • Rheumatoid Arthritis ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Manifestations: - Arthritis ... 69% - Malar rash ... 40% - Fever 36% ... (aPL) 30-45% Differential ... #rheumatology
Great Mimickers - SHALLOTS Mnemonic

S- Syphilis - Neurosyphilis, aortitis, gummas... Granulomas can form anywhere! Skin, mucosa,
Skin, mucosa, joints ... anything L - Lupus ... - Fevers, rashes ... Could be lupus in ... Mnemonic #Diagnosis #Differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... weeks) Can Be Caused ... - Autoimmune Rheumatologic ... • Rheumatic fever ... Joint #pain #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... : • Joint pain ... Photosensitivity • Malar ... , Fever, Serositis