15 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... • Labrynthitis ... Bone Fracture Central ... neurologic symptoms/signs ... Hemorrhage #Dizzy
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
Dizziness - Differential Diagnosis Framework
Vertigo:
 • Peripheral: Labyrinthitis, BPPV, Meniere's disease, Alternobaric
 • Central: CVA/TIA -
- Differential Diagnosis ... Framework Vertigo ... • Peripheral: Labyrinthitis ... Alternobaric • Central ... #dizzy #vertigo
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
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis ... ) CENTRAL VERTIGO ... #Vertigo #diagnosis ... #findings #signs
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
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... neuritis (a.k.a. labyrinthitis ... vertigo"), Ramsay ... #differential #diagnosis
TiTrATE schema to approach to Dizziness
 • Time Course: Continuous or Episodic
 • Triggers: Present or
Targeted Exam: HINTS ... • Vestibular (vertigo ... TiTrATE #Dizziness #dizzy ... #differential #diagnosis
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... may be present Central ... Vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis ... #differential #diagnosis
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
(HINTS = head-impulse ... peripheral or central ... peripheral or central ... of dizziness or vertigo ... #Diagnosis #Dizzy