47 results
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
Causes of Vertigo ... Algorithm #Diagnosis ... #Neurology #Dizziness ... #Peripheral #Central ... #Algorithm #BPPV
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central ... Head Impulse Test ... Nystagmus Test ... #PhysicalExam #Testing ... #Peripheral #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... may be present Central ... auditory findings BPPV ... Positive Hallpike ... #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... #Testing #HIT #
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
and Central Vertigo ... PERIPHERAL VERTIGO ... with vascular causes ... #diagnosis #findings ... symptoms #comparison #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... from Peripheral ... following a finger) • Test ... #diagnosis #neurology ... #bppv #comparison
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
after Dix Hallpike ... Maneuver This is a case ... anti-clockwise nystagmus beating ... to left ear. ... ophthalmology #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... the head) • Hallpike ... consistent with BPPV ... Labyrinthitis #diagnosis ... #neurology #comparison
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... Forehead Sparing = Central ... Forehead involved = Peripheral ... #Differential #Diagnosis ... #neurology #sparing
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Peripheral Causes ... #Central #Causes ... #differential #diagnosis ... #neurology