17 results
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... of the extensor tendon ... of the extensor tendon ... Discharge with orthopedic ... Management #Hand #Orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... pain with wrist extension ... follow-up with orthopedics ... Diagnosis #Management #Orthopedics ... #Sports #MSK
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
Tissue Lesions - Differential ... Degree Sprain) Tendon ... /Muscle • Tendon ... Diagnosis #Algorithm #Orthopedics ... #Causes
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Absence of a fracture ... Finger deformity caused ... terminal extensor tendon ... : Hyperflexion injury ... Exam: Swollen and tender
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
pain with wrist extension ... injuries: Carpal fracture ... radial styloid fracture ... , median nerve injury ... #Sports #MSK
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain - Differential ... Osgood-Schlatter Disease) - Tendon ... Tendinopathy • Tendon ... Diagnosis #Algorithm #Orthopedics ... #Causes
Tenosynovitis of the peroneal tendons due to hypertrophic peroneal tubercle
Imaging Findings:
 • Large volume ofT2-hyperintense fluid
signal within the tendon ... and increased tension ... Differential diagnosis ... pain: • Peroneal tendon ... subluxation/dislocation
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
glenohumeral joint dislocation ... Case description ... of anterior GH dislocations ... surgical repair Differential ... Similar injury to
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... POSTERIOR KNEE DISLOCATIONS ... : ~25% cases. ... Dorsiflexion of foot, Toe extension ... trauma/vascular/orthopedic
Chest Trauma Complications - Differential Diagnosis Algorithm
Cardiac:
 • Cardiac Tamponade*
 • Pericarditis
 • Myocardial Contusion
 •
Complications - Differential ... Wall: • Rib Fractures ... • Diaphragm Injury ... Pneumothorax (Tension ... Diagnosis #Algorithm #Causes