9 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... in the median nerve ... Myotomes #diagnosis #neurology ... #sensory #motor ... #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
damage to peroneal nerve ... at fibular neck ... Myotomes #diagnosis #neurology ... #sensory #motor ... #leg #physicalexam
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Levels Spinal Root Sensory ... Biceps Reflex C6 ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
spinal cord and nerve ... Limb weakness, sensory ... or abruptly • CN ... Tuberculosis #diagnosis #differential ... #TB #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Fever, headache, neck ... neurologic complaints ... of the abducens nerve ... #Infections #differential
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
peripheral 12th nerve ... posterior head/neck ... CN VII (facial weakness ... Fasciculations #PhysicalExam ... #CNXII #CN12 #Neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Myelitis Overview Focal ... that results in CNS ... brain and/or optic nerve ... diagnosis #management #neurology ... #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... vasculitis • Sensory ... affects the skin, neurologic ... muscle weakness • Nerves ... cognitive impairment, neurologic
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... threat Cranial Nerves ... • Vestibulo-ocular ... brainstem Motor/Sensory ... #neurology #comatose