9 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Bacterial or viral ... syndrome, SLE, Rheumatic ... Cardiovascular system • Mitral ... and stenosis - Rheumatic ... differential #diagnosis #rheumatology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Differential Diagnosis Algorithm ... Antineoplastic Viral ... Erythematosus • Rheumatoid ... Arthritis #Isolated ... #Causes #Hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... in persons with rheumatoid ... arthritis (RA) ... bacterial, fungal, or viral ... Joint #Pain #MSK #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Autoimmune Rheumatologic ... Gonorrhea • Rheumatic ... or more joints Viral ... Symmetrical: • RA ... Diagnosis #MSK #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... double-stranded DNA antibodies ... arthritis (RA) ... features suggest RA ... diagnosis #testing #Rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Vasculitis (lupus, RA ... Microscopic) - Viral ... , rheumatoid factor ... #Causes #dermatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- 10% SLE or RA ... arthralgia, and arthritis ... cryoglobulin • Viral ... arthritis, Sjögren's ... classification #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
bacterial), acute rheumatic ... mycobacterial), RA ... • Acute = Viral ... • Chronic = RA ... Joint #Pain #MSK #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
ANCA-associated vasculitis, rheumatoid ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... Cytopenias • Cardiac valve ... Erythematosus #Diagnosis #Rheumatology