9 results
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 ... Anterior Medial Thigh Hip ... Jerk Reflex L5 ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Avulsion or shearing injury ... tear a portion of bone ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... signs #symptoms #orthopedics
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Orthopedic Dislocations ... elbow fully as a test ... Hip Dislocation ... of dash board injury ... knee are flexed
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... fracture - Patellar dislocation ... - Aneurysmal bone ... #diagnosis #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Legg-Calve-Perthes Disease Knee ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK ... #Orthopedics #Causes
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
supine and with the knee ... degrees of flexion, hip ... One hand supports ... #physicalexam #msk ... #orthopedics #sports
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
Tissue Lesions - Differential ... Diagnosis Algorithm ... • Labral Injury ... SoftTissue #Lesions #MSK ... #Orthopedics #Causes
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... (25%) TEST FOR: ... Check hip and ankle ... trauma/vascular/orthopedic ... #Injury #msk #clinical
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
- MSK Radiology ... consistent with bone ... of the knee ... Differential diagnosis ... #msk