17 results
Dermatomes and Peripheral Nerves - Segmental Innervation of the Skin and the Peripheral Nerve Supply (Anterior
Dermatomes and Peripheral ... Posterior) #Dermatomes ... #Peripheral #Nerves ... Innervation #Skin #Diagnosis ... #Neurology *
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Spinal cord - Peripheral ... nerve - Neuromuscular ... nerve - Muscle ... Neuromuscular #Weakness #Differential ... #Neurology #Causes
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Facial Weakness - Differential ... Diagnosis Algorithm ... Forehead involved = Peripheral ... (2% of facial nerve ... #Causes #neurology
Algorithm showing a stepwise approach to the assessment and investigation of a possible neuropathy. CIDP, chronic
palsies; NCS, nerve ... #Diagnosis #Neurology ... #Neuropathy #Peripheral ... Algorithm #Evaluation #Differential
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... damage to peroneal nerve ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... - Vestibular Nerve ... Vestibulocochlear Nerve ... Central #Causes #differential ... #diagnosis #neurology
Vertigo Differential Diagnosis and Management Algorithm
Vertigo: Symptom of illusory movement because of asymmetry in the vestibular
Vertigo Differential ... Diagnosis and Management ... labyrinth, vestibular nerve ... #Management #Algorithm ... #neurology #Differential
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... UpperLimb #Extremity #Dermatomes ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #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 ... None T7-T12 See Dermatomes ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... Lesions Of The Peripheral ... aminotransferases • Serology ... #Diagnosis #neurology