18 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
) Nerve palsy ... ) Nerve palsy • ... One-and-a-half Syndrome ... ophthalmology #neurology ... #differential #diagnosis
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... comparison to Horner's syndrome ... #Palsy #Oculomotor ... Nerve #Cranial #neurology ... #diagnosis
Parkinson's Plus Syndromes - Atypical Parkinsonism
Main motor symptoms:
 • Tremors
 • Limb rigidity
 • Bradykinesia
Other symptoms
Parkinson's Plus Syndromes ... Progressive supranuclear palsy ... (CBS) • Dementia ... #Parkinsonism #diagnosis ... #neurology
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
- Differential Diagnosis ... - Horner's Syndrome ... Anisocoria - CN ... III Palsy - Pharmacologic ... Anisocoria #Evaluation #Algorithm
Algorithm showing a stepwise approach to the assessment and investigation of a possible neuropathy. CIDP, chronic
Algorithm showing ... Guillain-Barré syndrome ... pressure palsies; NCS ... #Diagnosis #Neurology ... Neuropathy #Peripheral #Algorithm
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... : • CN Ill Palsy ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Other brainstem syndromes ... Many others • Transverse ... pain • Extra-CNS ... Manifestations #diagnosis ... #neurology #symptoms
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Algorithm Hypovolemic ... cirrhosis, nephrotic syndrome ... Pulmonary Diseases, CNS ... #Algorithm #diagnosis ... #nephrology #sodium
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Algorithm Clinical ... • CN VI palsy ... Ill palsy ... • Neurologic ... #Algorithm #Causes