39 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... B19 infection Malar ... lesions • Discoid lupus ... #rashes #differential ... #diagnosis #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... & NPSLE rare, Malar ... • Immunologic Workup ... Manifestations: Malar ... comparison #table #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Arthritis 69% - Malar ... Auto-Antibodies: - ANA ... Diagnosis and Lupus ... autoantibodies #signs #symptoms ... #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... Manifestations: Malar ... , oral ulcers, Lupus ... • Immunologic Workup ... Management #Summary #rheumatology
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
FUO) - Further Workup ... • CNS symptoms ... • Travel to malaria–endemic ... Clinical findings of PAN ... values supporting hematologic
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... should be interpreted ... context of other symptoms ... #patterns #rheumatology ... #diagnosis #differential
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... associated with rheumatologic ... presentation of systemic lupus ... trapezius ridges or shoulders ... #Pericarditis #Symptoms
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... Diffuse muscle pain ... • +ANA, +Anti-Smith ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
to think about lupus ... Inflammatory joint pain ... fingers, or pain ... the face (many differential ... erythematosus #rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
common sites: hip, shoulder ... XR, MRI to dx and ... • Differentiate ... SickleCell #Disease #differential ... diagnosis #causes #hematology