48 results
Brachial Plexus Lesions - Localization and Presentation

Erb palsy ("waiter's tip"), 
Klumpke palsy, 
Thoracic outlet syndrome, Winged
palsy, Thoracic outlet ... syndrome, Winged ... Review in Clinical Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... • Finger Jerk ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Wrist Extension C6 ... Radial Nerve Fingers ... Median Nerve Fingers ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... Nerve palsy • CN ... One-and-a-half Syndrome ... ophthalmology #neurology ... differential #diagnosis #ocular
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... Neurogenic Ptosis - Neurologic ... lens wearing • Ocular ... #Ptosis #neurology ... ophthalmology #ocular
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
ulceration • Ocular ... skin injury) • Neurologic ... basal ganglia, CNS ... spondyloarthritis • Ocular ... Leukemia, Lymphoma Ocular
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... Other brainstem syndromes ... pain • Extra-CNS ... erythematosus, Sjögren syndrome ... Manifestations #diagnosis #neurology
Left Abducens Palsy on Ocular Examination

Dr. Sebastian Vega @oftalmopo

#Abducens #Palsy #CN6 #CNVI #Ocular #PhysicalExam #clinical #video
Abducens Palsy on Ocular ... Abducens #Palsy #CN6 ... #CNVI #Ocular # ... PhysicalExam #clinical ... ophthalmology #Neurology
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
Hoffmann's sign (finger ... Hoffmanns #sign #finger ... #hand #video #physicalexam ... #msk #orthopedics ... #neurology #sports
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
focus on examiners finger ... the examiners finger ... clinical #video #neurology ... ophthalmology #ocular ... #physicalexam