50 results
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
Tolosa-Hunt Syndrome ... Paresis of the cranial ... nerves Ill, IV, ... #TolosaHunt #neurology ... #diagnosis
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
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... examination: ○ Cranial ... stroke may affect cranial ... II ○ Susac’s syndrome
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
Palsy - Oculomotor Nerve ... comparison to Horner's syndrome ... Palsy #Oculomotor #Nerve ... #Cranial #neurology ... #diagnosis
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Algorithm Cerebral ... Consciousness • Cranial ... Nerve Palsies ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... Algorithm Clinical ... • Neurologic ... Nerve Ill - Eye ... #Algorithm #Causes
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Differential Diagnosis ... Neuronitis • Herpes ... • Semicircular canal ... Amy Chung, MD, MSc ... #algorithm
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Tumor • Motor Nerves ... Guillain-Barre syndrome ... #differential #diagnosis ... #neurology
Algorithm showing a stepwise approach to the assessment and investigation of a possible neuropathy. CIDP, chronic
Algorithm showing ... Guillain-Barré syndrome ... palsies; NCS, nerve ... #Diagnosis #Neurology ... Neuropathy #Peripheral #Algorithm
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
Guillain Barre Syndrome ... symptoms or signs, Cranial ... nerve involvement ... level • Central nervous ... #neurology #neuropathy