421 results
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
= definite RA Joint ... -10 large joints ... -3 small joints, ... 1 small joint) ... Rheumatoid #Arthritis #diagnosis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... Pain - Diagnostic ... 3) Number of Joints ... Number of Joints ... #differential #diagnosis
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
together) • Joint ... closer to the joints ... ) • Joint Subluxations ... (Joint deformities ... #RA #HandXray #Diagnosis
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Pathogenesis and Joint ... poly-articular joint ... Joint involvement ... space decr joint ... signs #symptoms #diagnosis
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
- Differential Diagnosis ... Algorithm 4 tests ... for the AC joint ... after cross-arm test ... #Algorithm #MSK
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
and Degenerative joint ... Inflammatory Joint ... nociceptors -> Pain with rest ... motion (relieved by rest ... JointDisease #JointPain #Diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Interphalangeal Joint ... Interphalangeal joint ... • PIP joints are ... hinge joint; ROM ... Radiology #XRay #Diagnosis
Representative X-ray appearance of a primary benign bone tumor - Aneurysmal Bone Cyst 
 • Soft
together) • Joint ... closer to the joints ... ) • Joint Subluxations ... (Joint deformities ... Best visualized
Common Forms of Arthritis in the Hands

Acute Rheumatoid Arthritis 
Tender, painful, stiff joints in rheumatoid arthritis,
painful, stiff joints ... interphalangeal joints ... interphalangeal joints ... Joint involvement ... Rheumatology #Forms #Diagnosis
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Inflammation of joints ... commonly large joints ... Oligoarthritis: Joint ... pain in a few joints ... pathophysiology #diagnosis