9 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C7, C8 (radial ... - C7, C8 (radial ... Syndrome Wrist drop ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... compression of the radial ... in this case, due ... #Radial #Nerve ... #msk #sports #neurology
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as ... cause for Wrist ... and pronation- Radial ... #Maneuver #Radial
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
wrist and digital extension ... involve a wrist drop ... • As a degenerative ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Medial Longitudinal ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... • Neurologic ... suggest a mass as ... depress when looking medially ... #Ophthalmology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
mastoid cavity as ... cavities Stage 5: Extension ... Inferior through medial ... nerve palsy • ... signs #symptoms #diagnosis
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
formation) and MLF (medial ... There was also high ... the hospital, diagnosed ... clinical #video #ophthalmology ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... Clonus, Spasticity, Extensor ... - Medical time ... neurons - IV free radical ... Lateral #Sclerosis #neurology