52 results
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
pupil - Light-near ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
mucins with reduced tear ... conjunctiva) • Bitot's spots ... pathophysiology #ophthalmology ... diagnosis #signs #symptoms
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... position change • Neurologic ... findings BPPV • Short-lived ... No auditory symptoms ... Long symptom-free
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
commonly found at or near ... of the lids • Symptoms ... or Zeiss) • Symptoms ... Diagnosis #Management #Ophthalmology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Patients As: • Black spots ... the vision • Spots ... Retinal Detachment: Symptoms ... • Vitritis • Tear ... Diagnosis #Ocular #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
6mm); • Light-near ... - no light-near ... #PhysicalExam #neurology ... #ophthalmology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
vertigo (BPPV) - Short-lived ... Long symptom-free ... with significant neurologic ... attacks with varying neurologic ... differential #diagnosis #neurology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
presentation • Lyme Serology ... Imaging (if atypical symptoms ... Awake: Artificial tears ... Sleep: Artificial tears ... Management #Treatment #Neurology
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
exertion • Neurologic ... dysrhythmias • Ophthalmologic ... Sarcoidosis #Diagnosis #Symptoms
Yergason's Test on Physical Exam
Yergason's test for biceps tendon pathology testing stability of the tendon within
flexion elicits symptoms ... pathology and/or SLAP tear ... clinical #video #msk #sports