42 results
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
The differential ... listed in the table ... is difficult to differentiate ... #Management #Radiology ... Multiple #Massess #Differential
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... #Eye #redeye #Differential ... #Diagnosis #table ... #causes #ophthalmology
Glaucoma - Emergency Department Management
- All patients should get emergency ophthalmologic consultation
- Start with eye drops
Emergency Department Management ... eye drops (see table ... is < 40 mmHg #Pharmacology ... #Management #Ophthalmology ... #Medications #Table
Lateral Canthotomy / Cantholysis - Procedure Instructions

The orbit is a relatively closed compartment and an acute
The most common cause ... haemorrhage in the context ... #Management #Lateral ... Retrobulbar #Hemorrhage #Ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... dissociation) • Pharmacologic ... • Botulism Pharmacologic ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... upper lid • Cause ... Clinical #Diagnosis #Management ... #Ophthalmology ... Chalazion #Comparison #Table
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Hypermagnesemia #Differential ... High #Magnesium #Table ... #Causes #Management
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
#Medications #Causes ... #differential # ... diagnosis #pharmacology ... #table
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Pupillary Defects - Differential ... pilocarpine • Pharmacologic ... Pupils #Defects #Differential ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Drugs Used for the Treatment of COVID-19 Infection

** Editor Note (from ophthalmology MD input) - Hydroxychloroquine/chloroquine
Editor Note (from ophthalmology ... Treatment #COVID19 #Pharmacology ... #Table #Management