11 results
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... joint hinge joint ... joint = hinge joint ... Hyperextension injury ... #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to ... : Hyperflexion injury ... joint, maintain ... joint • Ortho ... #MSK
Acute Joint Pain - Vitamin CD Mnemonic
Vascular
Infectious
Trauma - Multiple injury sites, Open Fracture, Infectious joint pain
Autoimmune
Acute Joint Pain ... Trauma - Multiple injury ... Fracture, Infectious joint ... See inflammatory joint ... #Orthopedics #differential
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain ... • Charcot Joint ... Chondromalacia - Joint ... • Charcot Joint ... Intraarticular #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... for cell count, culture ... - parvovirus, HIV ... #Joint #Pain #MSK ... approach #workup #differential
Sacroiliac Distraction Test

The examiner applies downward and lateral pressure to the bilateral ASIS , the effect
anterior sacroiliac joint ... indicating SI Joint ... injury dysfunction ... #Joint #clinical ... #msk #sports #orthopedics
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... rash) • Primary HIV ... Infectious #JointPain #MSK ... Diagnosis #Algorithm #Orthopedics
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
JointHip Dysplasia ... Disease Knee Joint ... (e.g., Tendon Rupture ... Deformity #Limp #MSK ... Diagnosis #Algorithm #Orthopedics
Gaenslen's Test (Gaenslen's maneuver) for Sacroiliac Joint Injury

The patient dangles the symptomatic leg over the side
for Sacroiliac Joint ... maneuver #Sacroiliac #Joint ... #Injury #SIJoint ... #physicalexam #msk ... #orthopedics #sports
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Framework Bone/Joint ... onset - Intense joint ... Inability to move the joint ... lower #extremity #msk