21 results
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Finger deformity caused ... disruption (may be bony ... : Hyperflexion injury ... #Hand #Orthopedics ... #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... Hyperextension injury ... #Dislocation #IPJoint ... #Hand #Orthopedics ... #MSK
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
JointHip Dysplasia ... Patellofemoral Syndrome ... (e.g., Tendon Rupture ... Deformity #Limp #MSK ... Diagnosis #Algorithm #Orthopedics
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Intra-Articular - Bone ... • Tendon Rupture ... Intraarticular #MSK ... Diagnosis #Algorithm #Orthopedics ... #Causes
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework Bone ... /Joint Causes of ... Herpes zoster - HIV ... Trauma • Crush injury ... lower #extremity #msk
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Orthopedic Emergencies ... pressure to the point ... • Syndrome caused ... event after long bone ... hip fractures in
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
bone cortex • ... onto outstretched hand ... distal radioulnar joint ... II-IV, pending orthopedic ... #Orthopedics #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Axillary nerve injury ... fracture (10%), bony ... neurovascular injury ... #Orthopedics #Sports ... #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
bone cortex • ... onto outstretched hand ... brachial artery injury ... ), compartment syndrome ... #Orthopedics #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Fever/Chills/Joint ... bearing after injury ... - Aneurysmal bone ... differential #diagnosis #msk