20 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
It has been validated ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior ... #CVA #Peripheral
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... present Central ... Hallpike test (posterior ... #Algorithm #differential ... #diagnosis #neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Causes of Vertigo ... often classified as ... a "central vertigo ... #Causes #differential ... #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
forehead) in classic posterior ... vascular causes, such as ... with posterior ... #Vertigo #diagnosis ... symptoms #comparison #neurology
TiTrATE schema to approach to Dizziness
 • Time Course: Continuous or Episodic
 • Triggers: Present or
• A Targeted Exam ... • Vestibular (vertigo ... • Nonspecific (psychiatric ... dizzy #algorithm #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 ... #Diagnosis #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... CENTRAL VERTIGO ... Occlusion of posterior ... #differential # ... diagnosis #neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
review • Physical exam ... penumbra) • Can be ... Detected on NCCT vs ... stroke #workup #diagnosis ... #checklist #neurology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
BEE Syndromes - ... attributable to central ... is important, as ... #Syndromes #neurology ... #inflammatory #differential
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... edema visualized as ... narrowing on MRA/CTA ... Reversible course Differential ... #management #neurology