19 results
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
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Neuro-OphthaImoIogy ... Monocular vision loss ... NeuroOphthaImoIogy #Neurology ... #Differential # ... Diagnosis #Anatomy #Causes
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
- Inability to differentiate ... able to copy Causes ... : Stroke (main cause ... Injury, Tumor Localization ... Gerstmann #Syndrome #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Skew Deviation Casey ... Movement #Disorders #Localization ... #ophthalmology ... #neurology #differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
with vascular causes ... positional episodes caused ... positive hearing loss ... Hearing loss. ... Vertigo #Algorithm #differential
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Hemorrhage, TIA, Stroke ... #Differential # ... Diagnosis #causes ... #ophthalmology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... include a: • Neurologic ... Diabetes mellitus • Stroke ... acoustic neuroma) and stroke ... #Differential #
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... : • Stroke, Medication ... painful #painless #differential ... #diagnosis #causes ... #ophthalmology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Deafferentation - Loss ... Limb • Post-stroke ... Pain #Mechanisms #Neurology ... #Differential # ... Diagnosis #Algorithm #Causes
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Associated with loss ... Associated with nausea ... - Strong Medicine ... Algorithm #dizzy #differential ... #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
in horizontal canal ... disease) and hearing loss ... can be severe in stroke ... with vascular causes ... symptoms #comparison #neurology