56 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
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Dizziness - Vertigo - Differential ... unidirectonal nystagmus ... Bone Fracture Central ... bidirectional nystagmus ... #Differential #
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... Varies • No neurologic ... may be present Central ... vascular causes • Nystagmus ... Vertigo #Algorithm #differential
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
Causes of Vertigo - Differential ... Algorithm #Diagnosis #Neurology ... Dizziness #Peripheral #Central ... Algorithm #BPPV #Differential
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
Wernicke Encephalopathy - Acute Thiamine (B1) Deficiency 
Clinical Diagnosis - Caine Criteria (2 out of 4):
4): - Altered mental ... abnormalities (eg nystagmus ... diagnosis #criteria #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... vestibular neuritis • Nystagmus ... labyrinthitis) CENTRAL ... circulation TIA • Nystagmus ... symptoms #comparison #neurology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
vomiting/vertigo/nystagmus ... Palatal myoclonus - Central ... #Wallenbergs #neurology