13 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... nerve in the radial ... Saturday night palsy ... Myotomes #diagnosis #neurology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... of Facial Nerve ... the commonest cause ... Loss of Corneal Reflex ... #Neurology #Signs
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... sleeping as in this case ... Nerve #Palsy #PhysicalExam ... #msk #sports #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsyMedial ... One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as ... cause for Wrist ... nerve palsy with ... nerve palsy. ... #Nerve #Palsy #
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Epidemiology: • 1-2 cases ... Nerve Palsies / ... Decreased / Absent Reflexes ... management #treatment #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic ... a mass as the cause ... #Ophthalmology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... - Emergency Causes ... Tethered cord • Guillain-Barre ... MRI- Sagittal, axial ... #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... Nerves: Brainstem ... Casey Albin MD @ ... #PhysicalExam #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... nerve, and the ... eyelid: • Third nerve ... palsy • Horner ... Differential #Diagnosis #ophthalmology