48 results
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
- Differential ... Rheumatoid Arthritis ... Disease: Systemic Lupus ... #arthritides #Differential ... #Diagnosis #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... secondary) • Rheumatoid ... Erythematosus (SLE ... should have other symptoms ... #Disorders #msk
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Diagnosis Algorithm ... Lupus Erythematosus ... Inflammatory #JointPain #MSK ... #Differential #
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
a Positive (+) Rheumatoid ... arthritisSLE ... #Factor #RF #rheumatology ... #laboratory #differential ... #diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... rheumaticum • Rheumatic ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
and Associated Rheumatic ... erythematosus (SLE ... Juvenile Idiopathic Arthritis ... ANA #patterns #rheumatology ... #diagnosis #differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
bacterial), acute rheumatic ... Chronic = RA, SLE ... #Joint #Pain #MSK ... #rheumatology # ... #diagnosis #arthritis
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
Rheumatoid Arthritis ... points Duration of symptoms ... BrighamMedRes #Rheumatoid ... #Arthritis #diagnosis ... Classification #rheumatology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
RA: rheumatoid arthritis ... SLE : systemic ... lupus. ... #Differential # ... Comparison #Table
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
context of other symptoms ... : Lupus (SLE), Systemic ... Arthritis, Sjögren ... ANA #patterns #rheumatology ... #diagnosis #differential