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
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
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain ... Intra-Articular - Bone ... Rupture • ... Intraarticular #MSK ... Diagnosis #Algorithm #Orthopedics
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
tendon with the ... reproduction of pain ... along the dorsal ulnar ... #physicalexam #msk ... #orthopedics #sports