68 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
• Mexion - C8 (median ... opp - C8, T1 (median ... spared in this injury ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... injuries: Fractures (medial ... ), ligamentous injury ... brachial artery injury ... Radiology #XRay #Diagnosis
Lisfranc injury (tarsometatarsal fracture dislcoation)
 - 
Lisfranc injury can range from purely soft tissue injury to
to fracutre dislocation ... articulation of medial ... injuries should raises ... ) - diagnosis usually ... #Dislocation #XRay
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... , triquetrum), radial ... styloid fracture, median ... nerve injury ... Radiology #XRay #Diagnosis
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Elbow and Hip) - Diagnosis ... of arm M – Medial ... Anterior, Lateral, Medial ... of dash board injury ... Shoulder #Elbow #Hip #Diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... Fasciculus (MLF) Iniury ... Skew Deviation Casey ... #Localization #ophthalmology ... #differential #diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Interphalangeal Joint Dislocation ... Interphalangeal joint dislocations ... ligaments (prevent radial ... Hyperextension injury ... Radiology #XRay #Diagnosis
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... a mass as the cause ... Cataract/Lens Dislocation ... depress when looking medially ... #Ophthalmology
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
- Differential Diagnosis ... Lens: Cataract, dislocation ... #Differential #Diagnosis ... #Algorithm #Causes ... #Ophthalmology
Webber Ankle Injury Classification

A: In a Supination-Adduction injury the fibula breaks first, with a fracture below
In more severe cases ... breaks through the medial ... fracture of the medial ... These injuries are caused ... #Diagnosis #Orthopedics