16 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 ... prevent radial and ulnar ... fingertip) • Exam: Pain ... #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
and underlying bone ... capsule or bone ... -> Pain #Anterior ... signs #symptoms #msk ... #orthopedics #pathophysiology
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain ... Intra-Articular - Bone ... Rupture • ... Intraarticular #MSK ... Diagnosis #Algorithm #Orthopedics
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
disruption (may be bony ... terminal extensor tendon ... DIP joint that ... ED Management: Pain ... #MSK
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... common sites: hip ... , shoulder ... #Joint #Pain #SickleCell
Greater Trochanteric Bursa Injection 

Usually roll patient on side, find the most tender spot, approximately an
find the most tender ... joint. ... video #procedure #rheumatology ... #sports #msk #orthopedics ... #hip
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
JointHip Dysplasia ... Patella (e.g., Tendon ... Rupture, Dislocation ... Deformity #Limp #MSK ... Diagnosis #Algorithm #Orthopedics
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Adjacent bursa • Tendon ... • Ligament • Bone ... e.g., congenital hip ... the subchondral bone ... #Pain #MSK #rheumatology
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 ... - parvovirus, HIV ... #Joint #Pain #MSK ... #rheumatology #
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
palpating the ECU tendon ... reproduction of pain ... along the dorsal ulnar ... #physicalexam #msk ... #orthopedics #sports