10 results
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Paroxysmal Positional Vertigo ... reproduction of vertigo ... ) • Epley maneuver ... saccade seen) • Epley ... #diagnosis #neurology
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis ... hearing loss = Labyrinthitis ... 1) Vertigo (severe ... #Diagnosis #Symptoms ... #Signs #Otolaryngology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis ... #differential #diagnosis ... #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... • Labrynthitis ... symptoms/signs, ... #Neurology #Differential ... #Diagnosis #Algorithm
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
HINTS Exam - Distinguishing ... from Peripheral Vertigo ... TylerLarsenMD #HINTS ... Central #Peripheral #Vertigo ... #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Central Causes of Vertigo ... neuritis (a.k.a. labyrinthitis ... as a "central vertigo ... #differential #diagnosis ... #neurology
TiTrATE schema to approach to Dizziness
 • Time Course: Continuous or Episodic
 • Triggers: Present or
Targeted Exam: HINTS ... • Vestibular (vertigo ... #differential #diagnosis ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Vestibular neuritis/ labyrinthitis ... with significant neurologic ... signs or symptoms ... #differential #diagnosis ... #neurology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
round window -> Labyrinthitis ... vomiting, dizziness, vertigo ... pathophysiology #signs ... #symptoms #diagnosis