9 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Myotomes #diagnosis #neurology ... #sensory #motor ... #leg #physicalexam
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
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... Other brainstem syndromes ... Transverse myelitis: Motor ... pain • Extra-CNS ... Manifestations #diagnosis #neurology
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
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
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
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Sensory and/or motor ... arthralgia, arm/leg ... affects the skin, neurologic ... purpura (lower legs ... chorioretinitis, CNS