13 results
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to ... Finger deformity caused ... disruption (may be bony ... : Hyperflexion injury ... #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
joint hinge joint ... Hyperextension injury ... #Radiology #XRay ... #Diagnosis #Management ... #MSK
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Acromioclavicular Joint ... Anterior Medial Thigh Hip ... Jerk Reflex L5 ... #differential #diagnosis
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
JointHip Dysplasia ... Legg-Calve-Perthes Disease Knee ... Joint • Patellofemoral ... Deformity #Limp #MSK ... #Algorithm #Orthopedics
Anatomy of the Knee X-ray - AP projection. ⁣⁣
It’s important to be able to identify the
Anatomy of the Knee ... X-ray - AP projection ... Joint Space - Check ... #radiology #msk ... #orthopedics #labeled
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 ... - Differential Diagnosis ... Fever/Chills/Joint ... - Aneurysmal bone ... #msk #physicalexam
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
posterior) and bone ... distal radioulnar joint ... Elbow #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
dislocated major joint ... Most common major joint ... fracture (10%), bony ... #Orthopedics #Sports ... #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Framework Bone ... /Joint Causes of ... onset - Intense joint ... Inability to move the joint ... lower #extremity #msk
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... atraumatic adolescent knee ... Some studies point ... • Bone contusion ... #msk