36 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 ... Hyperextension injury ... Diagnosis #Management #Hand ... #Orthopedics #MSK
Sacroiliac Distraction Test

The examiner applies downward and lateral pressure to the bilateral ASIS , the effect
anterior sacroiliac joint ... indicating SI Joint ... injury dysfunction ... #SIJoint #Joint ... #physicalexam #hip
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to ... : Hyperflexion injury ... tender DIP joint ... joint, maintain ... #Orthopedics #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... - parvovirus, HIV ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Joint Test on Physical ... For intrinsic vs joint ... joint preventing ... finger at MCP joint ... clinical #video #msk
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... pain from: • Joint ... e.g., congenital hip ... #Pain #MSK #rheumatology ... approach #workup #differential
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Degenerative joint ... Inflammatory Joint ... • Moving the joint ... affects the knee hip ... Comparison #Versus #MSK
Gaenslen's Test (Gaenslen's maneuver) for Sacroiliac Joint Injury

The patient dangles the symptomatic leg over the side
for Sacroiliac Joint ... stabilizes the pelvis and ... maneuver #Sacroiliac #Joint ... #Injury #SIJoint ... #physicalexam #msk
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
CK, Detectable HIV ... /or joint aches ... myopathy) VA Joint ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... common sites: hip ... XR, MRI to dx and ... • Differentiate ... BrighamChiefs #Bone #Joint