12 results
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
HINTS Exam - Normal ... This patient as ... HeadImpulse #Test #HINTS ... Clinical #Video #Neurology ... #Vertigo #Central
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
HINTS Exam - Distinguishing ... Central from Peripheral ... Vertigo • Head ... TylerLarsenMD #HINTS ... #diagnosis #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
patients with a central ... #PhysicalExam #Neurology ... VestibularSyndrome #Posterior ... #CVA #Peripheral ... #Testing #HIT #HINTS
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Central Vertigo ... forehead) in classic posterior ... labyrinthitis) CENTRAL ... with posterior ... symptoms #comparison #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... may be present Central ... position change • Neurologic ... Hallpike test (posterior ... differential #diagnosis #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) - Diagnosis
Clinical Features:
 • Altered mental status (Either lethargy, confusion, or
Posterior Reversible ... Encephalopathy ... Features: • Altered mental ... constant, global, and ... Syndrome #Diagnosis #Neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Central Vertigo ... CENTRAL VERTIGO ... Occlusion of posterior ... #Peripheral #Central ... differential #diagnosis #neurology
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
Vertigo: • Peripheral ... Meniere's Disease • Central ... Syphilis, Cerebellar/Posterior ... radiculopathy Other: • Psychiatric ... Differential #Diagnosis #neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Patterns of Toxic and ... Tectum: Wernicke Encephalopathy ... Disorders ATL With Posterior ... Heroin Inhalation Central ... Diagnosis #Radiology #Neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Encephalopathy ... may precede the neurologic ... narrowing on MRA/CTA ... #Reversible #Encephalopathy ... diagnosis #management #neurology