31 results
Hypertension and Altered Mental Status (AMS) - Differential Diagnosis Framework

Hypertension:
 • Hypertensive emergency
 • Hypertensive encephalopathy
- Differential Diagnosis ... Hyperthyroidism CNS ... /agitation • CNS ... Polyarteritis nodosa • Scleroderma ... #Differential #Diagnosis
Congenital Nystagmus on Physical Exam
These abnormal eye movements were found in a patient with albinism. What
Congenital Nystagmus ... Diagnosis: Congenital ... nystagmus. ... #PhysicalExam # ... ocular #clinical
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Movement Disorders • CN ... Nerve Palsy • CN ... Nerve palsy • CN ... #differential #diagnosis ... #ocular
Dysphagia Differential Diagnosis Algorithm
Oropharyngeal Dysphagia
Structural
 • Tumors
 • Zenker's Diverticulum
 • Foreign Bodv
Neuromuscular Toxic/Metabolic
 • Myasthenia
Dysphagia Differential Diagnosis ... Myasthenia Gravis • CNS ... Progressive Symptoms • Scleroderma ... #Differential #Diagnosis
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
vomiting/vertigo/nystagmus ... Vestibular nucleus (CN ... Trigeminal nucleus (CN ... Nucleus ambiguus (CN ... Wallenbergs #neurology #diagnosis
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
of vestibular CN ... VIII • Nystagmus ... Labyrinthitis #Diagnosis
Clinical Manifestations of Serotonin Syndrome
 • Ophthalmologic: Mydriasis, Ocular clonus (slow horizontal movements)
 • Gastrointestinal: Diarrhea,
Ophthalmologic: Mydriasis, Ocular ... Diaphresis, flushing • CNS ... spectrum #signs #diagnosis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
ulceration • Ocular ... basal ganglia, CNS ... meningitis), MCC CNS ... ) Differential Diagnosis ... collaboration • CNS
Summary of actions of some Cholinergic Agonists

Bethanechol 
• Used in treatment of urinary retention 
• Binds
miosis during ocular ... penetrate the CNS ... motility • Reverses CNS ... antidepressants • Reverses CNS ... penetrate the CNS
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Ocular Movements ... (CN 3, 4, 6) ... Blood Vessels #Ocular ... Ophthalmology #PhysicalExam