11 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... Thomas" sign to diagnosis ... all carpal bones should ... box, pain with wrist ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Effusions - Septic ... fracture - Patellar dislocation ... #differential #diagnosis ... #msk #physicalexam
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Axillary Nerve Shoulder ... Radial Nerve Wrist ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Orthopedic Dislocations ... and Hip) - Diagnosis ... Affected hip and knee ... axis of femur #Orthopedics ... #Hip #Diagnosis
Reduction of Patellar Dislocation 
Most patellar dislocations are lateral, and they often reduce on their own.
the patient a knee ... crutches - they should ... #Procedure #MSK ... #Knee #Clinical ... #Video #PhysicalExam
Patellar dislocation 
Patella dislocation refers to when the kneecap is completely displaced out of its normal
completely displaced out ... direct blow) to the knee ... Clinical #Video #PhysicalExam ... #Sports #Orthopedics ... #Knee #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Infection • Septic ... Legg-Calve-Perthes Disease Knee ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK ... #Algorithm #Orthopedics
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... -->Cannot rule out ... vascular imaging or serial ... trauma/vascular/orthopedic ... #Injury #msk #clinical
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
Gout - Diagnosis ... forefoot, ankles, knees ... , fingers, wrist ... Dual-energy CT → MSU ... treatment; consider