16 results
Cranial Nerve VII - Facial Nerve - Cross Sectional Nuclei Anatomy
 • Facial Nerve
 • Spinal
Cranial Nerve VII ... - Facial Nerve ... Spinal Nucleus of CN ... drcraighacking #Facial #CNVII ... #CN7 #CranialNerve
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Nerve • Ptosis ... @neudrawlogy #CNIII ... #Nerve #Cranial ... #neurology #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Biceps Jerk - ... to the radial nerve ... in the median nerve ... cause axillary nerve ... Dermatomes #Myotomes #diagnosis
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
VII, the facial ... nerve, anywhere ... #CNVII #CN7 #Peripheral ... Central #Facial #Nerve ... Palsy #Neurology #Diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Ankle - S1 • Biceps ... - C5, C6 • Triceps ... - C6, C7, C8 ... damage to peroneal nerve ... Dermatomes #Myotomes #diagnosis
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
peripheral 12th nerve ... speech: cranial nerves ... VII, IX/X, & XII ... CN VII (facial weakness ... “mee-mee-mee;” CN
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 ... Elbow Flexion Biceps ... Brachioradialis Reflex C7 ... Elbow Extension Triceps ... #differential #diagnosis
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... arises from C5, C6, C7 ... branches are to the triceps ... remember: • Triceps ... #Anatomy #diagnosis
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... Algorithm Clinical ... • CN VI palsy ... for ptosis with CN ... #Algorithm #Causes
Algorithm for the Evaluation of Dysphagia:Oropharyngeal:
- Characterized by difficulty initiating swallowing and accompanied by choking/coughing, nasopharyngeal
Algorithm for the ... coordinated by cranial nerves ... (V, VII, IX, X, ... coordinated by medulla #Diagnosis ... #Extraluminal #Algorithm