3499 results
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
- 0 points 2 ... -10 large joints ... - 1 points 1 ... -3 small joints, ... - 3 points >
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... 3) Number of Joints ... Number of Joints ... • Key point: If ... approach #workup #differential
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 ... RheumatoidArthritis #RA #pathophysiology
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 ... Radiology #Clinical #Pathophysiology
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 ... = hinge joint;
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Inflammation of joints ... commonly large joints ... Oligoarthritis: Joint ... pain in a few joints ... ReactiveArthritis #pathophysiology
Joint Pain - Differential Diagnosis
Articular: Infectious, Degenerative, Inflammatory
Non-articular: Localized, General

#Joint #Pain #Differential #Diagnosis #MSK #algorithm
Joint Pain - Differential ... Localized, General #Joint ... #Pain #Differential
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
and Degenerative joint ... Inflammatory Joint ... Swelling stimulates joint ... • Moving the joint ... JointPain #Diagnosis #pathophysiology
Polycythemia (Erythrocytosis) - Pathophysiology

#Polycythemia #Erythrocytosis #Pathophysiology #hematology #algorithm #differential #diagnosis
Erythrocytosis) - Pathophysiology ... Erythrocytosis #Pathophysiology ... hematology #algorithm #differential
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
Stimulation of joint ... loading / use of joint ... movement of the joint ... production -> Joint ... Osteoarthritis #OA #pathophysiology