57 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Forehead involved = Peripheral ... of facial nerve palsy ... Unilateral: Bell's Palsy ... #neurology #sparing
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 #
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Unilateral Fixed Dilated ... cranial nerve) Palsy ... no neurological cause ... Unilateral #Fixed #Dilated ... differential #diagnosis #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Regular and mildly dilated ... Holmes-Adie Syndrome ... Diagnosis: • CN Ill Palsy ... dissociation • Other causes ... #neurology #ophthalmology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... comparison to Horner's syndrome ... inferior oblique • Dilated ... #CNIII #CN3 #Palsy ... Nerve #Cranial #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... Saturday night palsy ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... Trochlear) Nerve palsy ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... Peripheral Causes ... / #Vertigo #Peripheral ... differential #diagnosis #neurology
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
left 6th nerve palsy ... Caused by a ... nystagmus #ocular #physicalexam ... clinical #video #neurology
Horner's Syndrome
 • Anhidrosis: Diminished sweating of ipsilateral face and neck
 • Miosis: Loss of sympathetic
Horner's Syndrome ... innervation to dilator ... oculomotor nerve palsy ... neudrawlogy #Horners #Syndrome ... #diagnosis #neurology