49 results
Parkinson's Plus Syndromes - Atypical Parkinsonism
Main motor symptoms:
 • Tremors
 • Limb rigidity
 • Bradykinesia
Other symptoms
Syndromes - Atypical ... symptoms: • Tremors ... present in PD, and ... Progressive supranuclear palsy ... #diagnosis #neurology
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Causes of Tremors ... Occurs at Rest • Parkinson's ... Progressive supranuclear palsy ... • Drug-induced Parkinsonism ... MovementDisorders #Neurology
Causes of Bradykinetic Movement Disorders - Differential Diagnosis Algorithm
Parkinson's Disease (TRAP):
• Resting Tremor
• Cogwheel Rigidity
• Akinesia/Bradykinesia
•
Causes of Bradykinetic ... Diagnosis Algorithm Parkinson's ... Drug-induced Parkinsonism ... Vertical Gaze Palsy ... MovementDisorders #Neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... (2% of facial nerve ... palsy) - Unilateral ... : Bell's Palsy ( ... #neurology #sparing
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... Iniury • One-and-a-half ... Syndrome • Cavernous ... Skew Deviation Casey ... ophthalmology #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... aracteristic "claw hand ... " ± Horner Syndrome ... Saturday night palsy ... Myotomes #diagnosis #neurology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Nerve • Ptosis ... comparison to Horner's syndrome ... medial rectus, and ... #Cranial #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Drop - Radial Nerve ... Palsy on Physical ... Examination Left hand ... sleeping as in this case ... #msk #sports #neurology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Oculomotor (3rd cranial nerve ... ) Palsy: • Brain ... hemorrhage, SAH, tumor ... no neurological cause ... differential #diagnosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Myelitis, Trauma, Tumor ... • Motor Nerves ... Guillain-Barre syndrome ... differential #diagnosis #neurology