22 results
Rheumatoid Arthritis
Rheumatoid Arthritis (RA) is an inflammatory autoimmune condition. While chiefly thought of as a joint
Rheumatoid Arthritis ... Rheumatoid Arthritis ... thought of as a joint ... cells appear to play ... #msk #arthritis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
warm, swollen, tender ... Lyme), reactive arthritis ... SLE, psoriatic arthritis ... #Joint #Pain #MSK ... differential #diagnosis #arthritis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Adjacent bursa • Tendon ... • Inflammatory arthritis ... Noninflammatory arthritis ... with rheumatoid arthritis ... #Pain #MSK #rheumatology
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
of the extensor tendons ... of the extensor tendons ... ) • ED Management ... XRay #Diagnosis #Management ... #Orthopedics #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
terminal extensor tendon ... Exam: Swollen and tender ... fracture • ED Management ... XRay #Diagnosis #Management ... #Orthopedics #MSK
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... interphalangeal joint ... with joint-space ... Giant Cell Tumor Tendon
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
and Degenerative joint ... Inflammatory Joint ... in Rheumatoid arthritis ... tend to bear the ... Comparison #Versus #MSK
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Septic Arthritis ... on POCUS IVDU ... Tender on top of ... #Effusion #POCUS ... clinical #ultrasound #MSK
Evaluation of Suprapatellar Knee Effusion (normal knee) on Point of Care Ultrasound (POCUS)

POCUS for knee effusions:
normal knee) on Point ... ) POCUS for knee ... with the knee joint ... distal quadriceps tendon ... Evaluation #Knee #MSK
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
• Rheumatoid Arthritis ... • Rickets Hip Joint ... Disease Knee Joint ... Patella (e.g., Tendon ... Deformity #Limp #MSK