17 results
Congenital Nystagmus on Physical Exam
These abnormal eye movements were found in a patient with albinism. What
Diagnosis: Congenital ... Cooper Neurology ... #PhysicalExam #ocular ... #clinical #video ... #neurology #ophthalmology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... a stand-alone test ... with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Wernicke Encephalopathy - Acute Thiamine (B1) Deficiency 
Clinical Diagnosis - Caine Criteria (2 out of 4):
Deficiency Clinical Diagnosis ... 4): - Altered mental ... abnormalities (eg nystagmus ... dysfunction and gait ... #criteria #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... examiners nose • Nystagmus ... following a finger) • Test ... Peripheral #Vertigo #diagnosis ... #neurology #bppv
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... minutes to days • Nystagmus ... may be present Central ... #differential #diagnosis ... #neurology
Wernicke Encephalopathy - Triad

Encephalopathy 
 • Disorientation 
 • Indifference 
 • Inattentiveness 
Ocular motor dysfunction
Inattentiveness Ocular ... dysfunction • Nystagmus ... Ataxia • Gait ... Syndrome #Triad #Diagnosis ... #Neurology #Thiamine
Vertical Nystagmus on Slit Lamp Ocular Examination

Often an indicator of a central lesion. This patient was
Vertical Nystagmus ... on Slit Lamp Ocular ... indicator of a central ... PhysicalExam #clinical #video ... ophthalmology #neurology
Wernicke Encephalopathy - Acute B1 (Thiamine) Deficiency - Diagnosis and Management
Diagnosis - Caine Criteria (2 of
) Deficiency - Diagnosis ... • Changes in mental ... ophthalmoplegia and nystagmus ... dysfunction (e.g. gait ... #Management #neurology
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
common of the central ... Video by Kathleen ... Ophthalmology #Neurology ... #Clinical #Video ... #Ocular #PhysicalExam
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... very sensitive diagnostic ... afferent pathway injury ... Pupillary #Defect #Neurology ... #Clinical #Video