25 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... immobilize • Splint: Thumb ... spica • Ortho ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
sent home in a thumb ... proximal portion as ... spica • Ortho ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... commonly, 60%; also ... fracture, median nerve ... Sugar tong • Ortho ... MH/CCF/CWRU EM
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... posterior interosseous nerve ... [cannot extend thumb ... I or Ill) • Ortho ... MH/CCF/CWRU EM
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
T1 (ulnar) • Thumb ... T1 leading toc ... aracteristic "claw hand ... Anterior Shoulder Dislocation ... Myotomes #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
usually happens sleeping ... as in this case ... #PhysicalExam #clinical ... #orthopedics #msk ... #sports #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... by flexing the thumb ... #Palsy #clinical ... #video #neurology ... #physicalexam #msk
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... : ALS, Cervical ... #differential # ... diagnosis #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Diagnosis Algorithm Clinical ... • Neurologic ... suggest a mass as ... Cataract/Lens Dislocation
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
The median nerve ... patient to relax the hand ... flexion of the thumb ... Positive #Abnormal #clinical ... #video #neurology