8 results
Patellar dislocation 
Patella dislocation refers to when the kneecap is completely displaced out of its normal
Patellar dislocation ... Patella dislocation ... caused by a traumatic ... Patella dislocation ... Clinical #Video #PhysicalExam
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Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
• MRI is more sensitive ... tuberosity Differential diagnosis ... Schlatter #Disease #Knee ... #mri #clinical ... #Radiology #diagnosis
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
injury of the knee ... Differential diagnosis ... #Dislocation #patella ... #knee #clinical ... #mri #clinical
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 ... Intra-articulation fracture - Patellar ... dislocation ... #msk #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Anterior Shoulder Dislocation ... UpperLimb #Extremity #Dermatomes ... #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Arthritis Other Causes ... Legg-Calve-Perthes Disease Knee ... Chondromalacia Patellae ... Tendon Rupture, Dislocation
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... Reflexes: • Knee ... Commonly caused ... #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... peripheral nerve components ... albuminocytologic dissociation ... demyelinating or axonal • MRI ... - Spinal MRI may