11 results
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
exam Management ... : • Ophthalmology ... Occlusion #CRVO #Diagnosis ... #Clinical #Fundoscopy ... #Ophthalmology
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Approach to an Eye Exam ... Visual Acuity ... Slit Lamp Exam ( ... Fundoscopy A. ... EyeExamination #Approach #Ophthalmology
Snellen Chart for Mobile - Should be held at arm's length -  Note this has
LIMITED accuracy #Diagnosis ... #Ophthalmology ... Mobile #Visual #Acuity ... #Exam
Red Eye Comparison
Viral Conjunctivitis - Bacterial Conjunctivitis - Allergic Conjunctivitis - Dry Eyes
Episcleritis - Scleritis -
Anterior Uveitis - Acute ... RedEye #Comparison #table ... #diagnosis #ophthalmology
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
- Differential Diagnosis ... Anterior Chamber: • Acute ... #Differential #Diagnosis ... #table #causes ... #ophthalmology
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
- Differential Diagnosis ... SVR, ↓ PCWP • Exam ... heart failure, acute ... #Differential #Diagnosis ... #table #comparison
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Definition: acute ... altitudinal defect • Fundoscopy ... #Rheumatology #Ophthalmology ... #Diagnosis #Algorithm
Toxidromes Compared: Anticholinergic, Cholinergic, Opioid, Sympathomimetic, Sedative-Hypnotic

During your physical exam, look for evidence of some of
your physical exam ... clinical features of acute ... #Diagnosis #Toxicology ... Toxidromes #Comparison #Table
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Note: Eye exam ... reflex and visual acuity ... pathophysiology #ophthalmology ... #diagnosis #signs
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
functional status - Able ... metabolic equivalent able ... neuroexam - Oral cavity ... Stable patients ... stratification #diagnosis