11 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Hand - Ulnar Nerve ... InjuryHand ... #Differential #Diagnosis ... #MSK #Orthopedics
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
posterior interosseous nerve ... syndrome, ligamentous injury ... • If stable ... DC with orthopedic ... Radiology #XRay #Diagnosis
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
Nerve Injury ... nerve will not ... be able to cross ... #Nerve #Injury ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... spared in this injury ... axillary nerve ... Dermatomes #Myotomes #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Fasciculus (MLF) Iniury ... • One-and-a-half ... Skew Deviation Casey ... #Localization #ophthalmology ... #differential #diagnosis
Median Nerve Injury and Anhidrosis
Note dry skin that precisely matches a median nerve distribution (spares ulnar
Median Nerve Injury ... distribution (spares ulnar ... wound to the wrist caused ... without damage to ulnar ... cable graft.
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Orthopedic Essentials ... fractures: Don't cause ... deficit, still able ... Classification #Orthopedics ... #diagnosis #localization
Webber Ankle Injury Classification

A: In a Supination-Adduction injury the fibula breaks first, with a fracture below
In more severe cases ... becomes unstable and ... appear to be a stable ... These injuries are caused ... #Diagnosis #Orthopedics
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Orthopedic Emergencies ... nerve damage in ... after an acute injury ... • Diagnosis: ... of spinal cord injury
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
- Differential Diagnosis ... posterior chambers, nerves ... trauma • Chemical injury ... #differential #diagnosis ... #ophthalmology