106 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... to the radial nerve ... in the median nerve ... axillary nerve ... neurology #sensory #motor
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Trauma, Tumor • Motor ... Nerves: ALS, Cervical ... multiplex, Phrenic nerve ... Neuromuscular #Weakness #Causes
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Differential Diagnosis Algorithm ... Objective Weakness • Motor ... Neuron and Motor ... #Causes
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Differential Diagnosis Algorithm ... Sparing = Central cause ... (2% of facial nerve ... Differential #Diagnosis #Algorithm
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Differential Diagnosis Algorithm ... Neuron and Motor ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Differential Diagnosis Algorithm ... (Contralateral motor ... Consciousness • Cranial Nerve ... #Causes
Causes of Non-Fluent Aphasia - Differential Diagnosis Algorithm
Non-Fluent - Agrammatic, hesitant, but substantive communication
Impaired Repetition
 •
Causes of Non-Fluent ... Differential Diagnosis Algorithm ... Transcortical Motor ... Differential #Diagnosis #Algorithm ... #Causes
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Differential Diagnosis Algorithm ... Abnormalities of the Optic Nerve ... Abnormalities of the Optic Nerve ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Dropped Foot Gait - Paralysis of Dorsal Flexion of the Foot.
When trying to walk the tip
avoid this, he raises ... common fibular nerve ... in peripheral motor ... common peroneal nerve ... , which causes flaccidity
Marcus-Gunn Jaw Winking Ptosis

Marcus Gunn Jaw Winking Ptosis is the most common form of congenital neurogenic
Caused by connection ... between motor branches ... of trigeminal nerve ... of oculomotor nerve