16 results
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... Central Vertigo PERIPHERAL ... with vascular causes ... signs #symptoms #comparison ... #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... with vascular causes ... auditory findings BPPV ... episodes caused ... differential #diagnosis #neurology
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Peripheral Vertigo ... distinguishing between causes ... Benign Paroxysmal Positional ... Vertigo (BPPV): ... differential #diagnosis #comparison
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Benign Paroxysmal Positional ... Vertigo (BPPV) ... consistent with BPPV ... Labyrinthitis #diagnosis #neurology ... #comparison
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central from Peripheral ... following a finger) • Test ... physicalexam #Central #Peripheral ... Vertigo #diagnosis #neurology ... #bppv #comparison
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and ... with a central cause ... #PhysicalExam #Neurology ... #HeadImpulse #Testing
Pronator Drift (Pyramidal Drift) on Physical Exam

Testing showed pronator drift on the left side in this
Physical Exam Testing ... side in this 70-year-old ... the 50-second test ... to maintain the position ... clinical #video #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Central Vertigo PERIPHERAL ... vertigo (BPPV) ... #Vertigo #Causes ... differential #diagnosis #neurology
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... 45° towards the test ... throughout the test ... DixHallpike #Maneuver #BPPV ... Instructions #Diagnosis #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
Nystagmus in PSC BPPV ... Maneuver This is a case ... anti-clockwise nystagmus beating ... to left ear. ... ophthalmology #neurology