13 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... spared in this injury ... Anterior Shoulder Dislocation ... - May cause axillary ... Dermatomes #Myotomes #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
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
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
Seesaw Nystagmus 

Sawtooth or seesaw nystagmus is an unusual but characteristic type of nystagmus. Typically there
nucleus of the medial ... concept suggests an injury ... We have varied causes ... The video was provided ... #ophthalmology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... POSTERIOR KNEE DISLOCATIONS ... : ~25% cases. ... vascular imaging or serial ... msk #clinical #video
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
Case description ... repair Differential diagnosis ... Similar injury to ... labrum displaces medially ... clinical #Radiology #diagnosis
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
the follow up video ... formation) and MLF (medial ... The most common causes ... the hospital, diagnosed ... #ophthalmology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... microvascular injury ... the key to the diagnosis ... Canimorsus #Skin #Rash #dermatology ... #clinical #photo