16 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
gonorrhoeae, Viral, Allergic ... : • Corneal abrasion ... Keratitis (i.e. corneal ... Differential #Diagnosis #table ... #causes #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Diagnosis Algorithm Cornea ... Proliferative) • Retinitis ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Pathogenesis and Clinical ... keratoconjunctivitis • Retinitis ... Bilateral, asymmetric corneal ... Rizutti's Sign • Corneal ... pathophysiology #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
the eye can be caused ... Common Causes: ... Conjunctivitis, corneal ... bacterial, viral, allergic ... differential #diagnosis #ophthalmology
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
Clinical manifestations ... airway (60-70%): Rhinitis ... arrest GI (>40%): Nausea ... diagnosis #criteria #allergy
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... upper lid • Cause ... eyedrops, surgery #Clinical ... Diagnosis #Management #Ophthalmology ... Chalazion #Comparison #Table
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm Clinical ... a mass as the cause ... Functional • Corneal ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
arrest where other causes ... as a possible cause ... as patient is stable ... an appropriate critical ... trigger agents (allergy
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
BP stable, HR 115 ... relapsing fever caused ... TBRF is caused by ... The table below ... microscopy #pathology #clinical
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess - Clinical ... of PCN allergy ... shows a small, stable ... #differential #causes