25 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... usually imbalance and ... Dysfunction - Imbalance, neurologic ... bidirectional nystagmus ... #Neurology #Differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... Varies • No neurologic ... vascular causes • Nystagmus ... position change • Neurologic ... differential #diagnosis #neurology
Ocular Albinism and Nystagmus

#Ocular #Albinism #Nystagmus #clinical #video #ophthalmology #PhysicalExam #neurology
Ocular Albinism ... and Nystagmus ... #Ocular #Albinism ... #Nystagmus #clinical ... #PhysicalExam #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral Vertigo ... examiners nose • Nystagmus ... left, right, up and ... Central #Peripheral #Vertigo ... #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Central Vertigo ... PERIPHERAL VERTIGO ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... symptoms #comparison #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Paroxysmal Positional Vertigo ... only with upbeat and ... torsional nystagmus ... and reproduction ... Labyrinthitis #diagnosis #neurology
Primary Downbeat Nystagmus on Ocular Examination

Primary downbeat nystagmus, most evident on looking down and out .
Primary Downbeat Nystagmus ... on Ocular Examination ... on looking down and ... #Ocular #clinical ... #physicalexam #neurology
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Nystagmus 2. ... right ear, the nystagmus ... fast phase of the nystagmus ... Maneuver #BPPV #Instructions ... #Diagnosis #neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... An APD was noted ... A nystagmus in far ... abduction with nystagmus ... ophthalmology #neurology
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
Alexander's Law and ... by convergence and ... and rebound nystagmus ... Ophthalmology #Neurology ... Clinical #Video #Ocular