36 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme ... disease • Rosacea ... chronicum migrans • Lyme ... disease Erythema ... differential #diagnosis #rheumatology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
Connective tissue disease-associated ... interstitial lung diseases ... connective tissue disease ... Comparison #Table #Pulmonary ... #Rheumatology #
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pulmonary ... Spondyloarthropathies, SLE • Pulmonary ... Facial palsy - Lyme ... multiplex - RA, SLE, Lyme ... differential #diagnosis #rheumatology
Systemic Sclerosis Associated Autoantibodies
Anti-topoisomerase I (anti-Sc170): Diffuse skin disease, Pulmonary fibrosis
Anti-centromere: Limited skin disease (~93-95%), Pulmonary
: Diffuse skin disease ... , Pulmonary fibrosis ... : Limited skin disease ... (~93-95%), Pulmonary ... Autoantibodies #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Autoimmune Rheumatologic ... Disease OLIGOARTHRITIS ... whippleii (Whipple's disease ... disease) • Mycobacterium ... Diagnosis #MSK #rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's Disease ... cancers • Systemic diseases ... autoinflammatory diseases ... hepatitis • Pulmonary ... management #treatment #rheumatology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Abnormal Abdominal Ultrasound ... Cyanosis without Pulmonary ... Heart Disease ... Apnea • Chronic Pulmonary ... Algorithm #Causes #Hematology
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Scleritis, Heart Disease ... Rheumatoid Nodules, Pulmonary ... Disease and ILD ... RA #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
infections (gonorrhea, Lyme ... ), RA, crystal disease ... bacterial, gonococcal, Lyme ... Inflammatory, crystalline disease ... Joint #Pain #MSK #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
ANA ≠ Autoimmune Disease ... connective tissue disease ... • Rheumatic Diseases ... , Interstitial Pulmonary ... ANA #patterns #rheumatology