43 results
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
damage, acute weakness ... paralysis of the Facial ... nerve (7th CN), ... nerve gets damaged ... #Bells #Palsy #neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Diagnosis Algorithm ... nerve palsy) ... #Diagnosis #Algorithm ... #Causes #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
COVID 19 - Zika virus ... all extremity, facial ... Guillain-Barre Diagnosis ... #diagnosis #management ... #treatment #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Demyelinating Disease (MS ... Tumor • Motor Nerves ... #differential #diagnosis ... #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Nerve Palsy on ... nerve in its path ... PhysicalExam #clinical #video ... #orthopedics #msk ... #sports #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
- Differential Diagnosis ... Consciousness • Cranial Nerve ... Findings: ipsilateral facial ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Elbow Extension C7 Radial ... C6 Radial Nerve ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
IV (Trochlear) Nerve ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
Palsy - Oculomotor Nerve ... comparison to Horner's syndrome ... Extraocular Muscle Weakness ... #Cranial #neurology ... #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... Carpal Tunnel Syndrome ... anesthesia and deltoid weakness ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory