11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... and Myotomes Motor ... , C7, C8 (radial ... Myotomes #diagnosis #neurology ... #arm #physicalexam
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
(Contralateral motor ... • Aphasia • Apraxia ... Consciousness • Cranial ... contralateral extremity ... Brown-Sequard Syndrome
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Myotomes #diagnosis #neurology ... #sensory #motor ... #leg #physicalexam
Cranial Myokymia

Paroxysmal episodes of left facial (Orbicularis oculi) and left abducens spasms after remote radiation to
Cranial Myokymia ... facial (Orbicularis oculi ... Myokymia #clinical #video ... #neurology #physicalexam ... #CNVI #CN6 #Abducens
Ramsay Hunt Syndrome (Herpes zoster oticus) wit Facial Nerve Palsy
Triad: 
 - Ipsilateral facial paralysis
 -
Ramsay Hunt Syndrome ... vesicles in auditory canal ... #neurology #clinical ... #video #physicalexam ... #CN7 #CNVII
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
impairment • HIV dementia ... and infects the CNS ... mononuclear cells in the CNS ... The clinical syndrome ... #AIDS #Neurology
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
In this video, you ... CN VII (facial weakness ... “mee-mee-mee;” CN ... Fasciculations #PhysicalExam ... #CNXII #CN12 #Neurology
Left Abducens Spasm on Physical Exam

A 50 yr male with left facial spasm and diplopia, with
#Spasm #CNVI #CN6 ... #PhysicalExam # ... clinical #ocular ... ophthalmology #neurology ... #video
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... blinks to threat Cranial ... • Vestibulo-ocular ... caseyalbin #PhysicalExam ... #neurology #comatose
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Sensory and/or motor ... loss, arthralgia, arm ... affects the skin, neurologic ... cognitive impairment, neurologic ... chorioretinitis, CNS