30 results
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... worrisome for a CENTRAL ... Bidirectional #Nystagmus ... Video #Positive #Neurology ... #Central #Vertigo
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central ... Impulse Test Nystagmus ... Testing #Vertigo #Central ... #Peripheral #Neurology
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... left 6th nerve palsy ... Convergence #retraction #nystagmus ... clinical #video #neurology ... #ophthalmology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Forehead Sparing = Central ... of facial nerve palsy ... - Unilateral: Bell's ... Palsy (70-75%), ... Algorithm #Causes #neurology
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
& inflammatory cells ... exertion • Neurologic ... : Bell's palsy, ... nodules, lupus pernio ... dysrhythmias • Ophthalmologic
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... examiners nose • Nystagmus ... #physicalexam #Central ... Vertigo #diagnosis #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
patients with a central ... with an AVS with nystagmus ... #PhysicalExam #Neurology ... CVA #Peripheral #Central
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
Peripheral vs Central ... face, or (2 ) a central ... with a central ... CN7 #Peripheral #Central ... #Palsy #Neurology
Vertical Nystagmus on Slit Lamp Ocular Examination

Often an indicator of a central lesion. This patient was
Vertical Nystagmus ... indicator of a central ... By Ophthalmology ... #Vertical #Nystagmus ... #neurology #SlitLamp
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... Bone Fracture Central ... Dysfunction - Imbalance, neurologic ... bidirectional nystagmus ... Dizziness #Vertigo #Neurology