30 results
Parkinson's Plus Syndromes - Atypical Parkinsonism
Main motor symptoms:
 • Tremors
 • Limb rigidity
 • Bradykinesia
Other symptoms
Parkinson's Plus ... 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
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 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
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Nerve • Ptosis ... medial rectus, and ... innervation to pupil ... #Cranial #neurology
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
of the Facial nerve ... an identifiable cause ... when the facial nerve ... The cause is unknown ... #neurology #anatomy
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
benign • Regular and ... Diagnosis: • CN Ill Palsy ... dissociation • Other causes ... trauma/orbital tumor ... #PhysicalExam #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... palsy • CN VI ... Iniury • One-and-a-half ... Skew Deviation Casey ... ophthalmology #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic ... a mass as the cause ... large/unreactive pupil