14 results
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
HINTS Exam - Distinguishing ... examiners nose • Nystagmus ... TylerLarsenMD #HINTS ... Peripheral #Vertigo #diagnosis
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Testing #HIT #HINTS
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Convergence retraction nystagmus ... retraction (Collier's sign ... → "setting sun sign ... Parinauds #Syndrome #diagnosis
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
Algorithm for the diagnostic ... (HINTS = head-impulse ... , nystagmus, test ... A diagnostic algorithm ... #Diagnosis #Dizzy
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... unidirectonal nystagmus ... neurologic symptoms/signs ... bidirectional nystagmus ... #Differential #Diagnosis
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
vestibular CN VIII • Nystagmus ... Labyrinthitis #Diagnosis ... #Symptoms #Signs
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Convergence retraction nystagmus ... retraction (Collier's sign ... "setting sun" sign ... syndrome #neurology #diagnosis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... Central #Vertigo #diagnosis ... #findings #signs
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Lhermitte’s sign ... Incontinence • VISUAL: Nystagmus ... Multiple Sclerosis Diagnosis ... lesions) McDonald diagnostic ... Multiple #sclerosis #diagnosis
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
Diagnostic algorithm ... largely based on the HINTS ... components of the diagnostic ... Impulse Test, Nystagmus ... #Diagnosis #AVS