52 results
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
PIP joints are ... usually dorsal • DIP ... and PIP joints ... hyperextension) • DIP ... #Orthopedics #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
function of the DIP ... distal to the DIP ... DIP joint that ... free movement of PIP ... #Orthopedics #MSK
Rheumatoid Arthritis
Rheumatoid Arthritis (RA) is an inflammatory autoimmune condition. While chiefly thought of as a joint
affecting the MCP & PIP ... often affects the DIP ... joints). ... cells at the MCP/PIP ... #msk #arthritis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pathology of the Hip ... • Congenital hip ... joints • Decr ... • Sacroiliac Joint ... signs #diagnosis #msk
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Differential Diagnosis Algorithm ... Osgood-Schlatter Disease) - Tendon ... Tendinopathy • Tendon ... Intraarticular #MSK ... Differential #Diagnosis #Algorithm
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Bunnel-Littler PIP ... tightness in the PIP ... flex finger at PIP ... clinical #video #msk ... #PIP
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 ... warm, swollen, tender ... - parvovirus, HIV ... #Joint #Pain #MSK
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
and Degenerative joint ... Inflammatory Joint ... tend to bear the ... affects the knee hip ... Comparison #Versus #MSK
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
findings In tendons ... Arthritis of DIP ... joints 3. ... to osteolysis (IP ... of IP joints
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Osteomalacia • Rickets Hip ... JointHip Dysplasia ... Disease Knee Joint ... Patella (e.g., Tendon ... Deformity #Limp #MSK