11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... spared in this injury ... Saturday night palsy ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsyMedial ... Fasciculus (MLF) Iniury ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Nerve Palsy on ... #Nerve #Palsy # ... PhysicalExam #clinical ... #orthopedics #msk ... #sports #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Diagnosis Algorithm ... • CN VI palsy ... • Neurologic ... depress when looking medially
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
Audiogram - Perform MRI ... Cochlear or Auditory Nerve ... Cerumen • Otitis Media ... • Closed Head Injury ... #Causes
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Unilateral Facial Nerve ... atypical symptoms): MRI ... CNS inflammatory cause ... prevent corneal injury ... Management #Treatment #Neurology
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Shift Work) Sleep ... Hypoventilation Syndrome Medical ... Disorders • Neurologic ... Parkinson's, MS)
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
formation) and MLF (medial ... MRI was ordered ... diagnosed with MS ... Half #Syndrome #PhysicalExam ... ophthalmology #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... • Infectious causes ... brain and/or optic nerve ... diagnosis #management #neurology ... #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Imaging: - MRI ... Demyelinating disease caused ... hearing loss, palsy ... of the abducens nerve