46 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a central cause ... with an AVS with nystagmus ... #PhysicalExam #Neurology ... VestibularSyndrome #Posterior #CVA
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... Convergence #retraction #nystagmus ... clinical #video #neurology ... #ophthalmology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... Varies • No neurologic ... with vascular causes ... • Nystagmus: ... positional episodes caused
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
Artery #Strokes #Syndromes ... #CVA #Territory ... Localization #Effects #Neurology ... GrepMed Recommended Text ... Review in Clinical Neurology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
disease - Renal ultrasound ... , Tests to evaluate ... Duplex Doppler ultrasound ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Lateral Medullary Syndrome ... - Wallenberg's Syndrome ... Clinical Findings: • Nausea ... vomiting/vertigo/nystagmus ... #Wallenbergs #neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
Entering VA was ... A nystagmus in far ... The most common causes ... clinical #video #ophthalmology ... #neurology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
response, Serotonin syndrome ... Miosis: Horner's syndrome ... hemorrhage, Pontine CVA ... differential #diagnosis #ophthalmology ... #causes
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
About Horner's Syndrome ... Horner's syndrome ... have friends, is caused ... #Overview #Ophthalmology ... #Diagnosis #Neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
include a: • Neurologic ... tympanic membrane • Neurologic ... cause unknown) ... II ○ Susac’s syndrome ... trauma ○ MS, CVA