Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Right Oculomotor (CNIII) Palsy caused by Stroke

Dr. Bruno Farnetano @bruno.farnetano

#Oculomotor #CNIII #Palsy #clinical #video #CN3 #clinical
Oculomotor (CNIII) Palsy ... caused by Stroke ... Oculomotor #CNIII #Palsy ... clinical #video #neurology ... #physicalexam #ophthalmology
β–Ί
Localizing Extraocular Movement Disorders
 β€’ CN Ill (Oculomotor) Nerve Palsy 
 β€’ CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... Trochlear) Nerve palsy ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Sparing = Central cause ... of facial nerve palsy ... Unilateral: Bell's Palsy ... #neurology #sparing
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
for Ulnar Nerve Palsy ... grip weakness caused ... by ulnar nerve palsy ... Froment's Sign is ... clinical #video #neurology
β–Ί
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 β€’ Abduction - C5,C6 (axillary)
 β€’ Adduction - C6, C7,
Conditions Erb's Palsy ... is caused by damage ... Saturday night palsy ... " is a common cause ... Myotomes #diagnosis #neurology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 β€’ Intraorbital meningioma 
 β€’ Pituitary adenoma
for the neuro-ophthalmologic ... sinusitis (CN VI palsy ... (CN Ill and VI palsy ... Differential #Diagnosis #Causes ... #Ophthalmology
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 β€’ Disease fatal in 10% of
exertion β€’ Neurologic ... : Bell's palsy, ... dysrhythmias β€’ Ophthalmologic ... Diagnosis #Symptoms #Signs
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Physical Exam Carles ... Bells #Phenomenon #Sign ... #PhysicalExam #ophthalmology ... #neurology
β–Ί
Adie's Pupil
What? Unknown nature & benign
 β€’ Regular and mildly dilated pupil (4-6mm);
 β€’ Light-near dissociaton;
Diagnosis: β€’ CN Ill Palsy ... dissociation β€’ Other causes ... #PhysicalExam #neurology ... #ophthalmology
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Anisocoria - CN III Palsy ... - Pharmacologic ... Differential #Diagnosis #Ophthalmology