12 results
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
PIP joints are ... and PIP joints ... Discharge with orthopedic ... Radiology #XRay #Diagnosis ... #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 ... DIP joint that ... Radiology #XRay #Diagnosis ... #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... warm, swollen, tender ... Number of Joints ... - parvovirus, HIV ... #Joint #Pain #MSK
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
JointHip Dysplasia ... Slipped Capital Femoral ... Patella (e.g., Tendon ... Deformity #Limp #MSK ... #Algorithm #Orthopedics
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
buttock, if the hip ... irritation or lumbar ... clinical #video #hip ... #physicalexam # ... msk #orthopedics
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
buttock, if the hip ... irritation or lumbar ... clinical #video #hip ... #physicalexam # ... msk #orthopedics
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
tend to bear the ... affects the knee hip ... #Degenerative #Comparison ... #Versus #MSK #JointDisease ... #JointPain #Diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Adjacent bursa • Tendon ... e.g., congenital hip ... slipped capital femoral ... #Pain #MSK #rheumatology ... #differential #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Slipped capital femoral ... Herpes zoster - HIV ... lower #extremity #msk ... #physicalexam
Calf Muscle Hematoma on POCUS

50 year old male playing tennis felt a pop in his leg.
felt a pop in his ... Diagnosis: “Tennis ... tear vs Peroneus tendon ... clinical #ultrasound #msk ... #orthopedics #sports