41 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
(medial/lateral ... anterior interosseous nerve ... + radial head fracture ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... spared in this injury ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Pathogenesis and clinical ... Posterior hip dislocation ... • Anterior hip dislocation ... Avulsion or shearing injury ... #msk #diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pathogenesis and clinical ... Superior gluteal nerve ... • Hip dislocation ... #symptoms #signs ... #diagnosis #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
injuries: Carpal fracture ... styloid fracture ... , median nerve injury ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Lisfranc injury (tarsometatarsal fracture dislcoation)
 - 
Lisfranc injury can range from purely soft tissue injury to
tarsometatarsal fracture ... to fracutre dislocation ... articulation of medial ... ) - diagnosis usually ... #Foot #Clinical
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
head dislocation ... posterior interosseous nerve ... syndrome, ligamentous injury ... Radiology #XRay #Diagnosis ... Orthopedics #Proximal #MSK
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
: ~25% cases. ... Neurologic deficit ... Neurologic injuries ... Common peroneal nerve ... #msk #clinical
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Algorithm Clinical ... • Neurologic ... symptoms suggest ... Cataract/Lens Dislocation ... Orbital Floor Fracture
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
Audiogram - Perform MRI ... Cochlear or Auditory Nerve ... Cerumen • Otitis Media ... Whiplash • Skull Fracture ... • Closed Head Injury