19 results
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... Exam Carles Bell ... same side of the peripheral ... #PhysicalExam #ophthalmology ... #neurology
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central ... vs Peripheral Vertigo ... Impulse Test Nystagmus ... Testing #Vertigo #Central ... #Peripheral #Neurology
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
exertion • Neurologic ... : Bell's palsy, ... peripheral neuropathies ... nodules, lupus pernio ... dysrhythmias • Ophthalmologic
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 ... Forehead involved = Peripheral ... - Unilateral: Bell's ... Palsy (70-75%), ... Algorithm #Causes #neurology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
Facial Paralysis - Peripheral ... exemplified here by a Bell's ... palsy, is compared ... Nerve #Paralysis #Bells ... #Palsy #Neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... from Peripheral ... examiners nose • Nystagmus ... #Peripheral #Vertigo ... #diagnosis #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
patients with a peripheral ... patients with a central ... with an AVS with nystagmus ... #PhysicalExam #Neurology ... Posterior #CVA #Peripheral
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Rotary Movement Peripheral ... unidirectonal nystagmus ... Bone Fracture Central ... bidirectional nystagmus ... Dizziness #Vertigo #Neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... PERIPHERAL VERTIGO ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... symptoms #comparison #neurology