7 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 ... #Orthopedics #MSK
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... JointHip Dysplasia ... (e.g., Tendon Rupture ... #Limp #MSK #Differential ... #Orthopedics #Causes
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
• Finger deformity ... tender DIP joint ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
deformity Synovitis ... e.g., congenital hip ... #Pain #MSK #rheumatology ... #differential #diagnosis ... #arthritis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... for cell count, culture ... - parvovirus, HIV ... #Joint #Pain #MSK ... #differential #diagnosis
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
in Rheumatoid arthritis ... affects the knee hip ... #Degenerative #Comparison ... #Versus #MSK #JointDisease ... #JointPain #Diagnosis
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
on POCUS IVDU ... Diagnosis? ... Culture MRSA. ... This patient had ... clinical #ultrasound #MSK