15 results
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
glaucoma, Adie's tonic ... response, Serotonin syndrome ... : Horner's syndrome ... differential #diagnosis #ophthalmology ... #causes
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
Horner's syndrome ... have friends, is caused ... classically results in ptosis ... droop eyelid), miosis ... #Overview #Ophthalmology
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... input to (in this case ... Images #Clinical #Ophthalmology ... #Photo #Horners ... #Syndrome #Ptosis
Causes of Small Bowel Bleeding - Differential Diagnosis
Common Causes:
 • Under age 40 years: Inflammatory Bowel
Causes of Small ... Diagnosis Common Causes ... NSAID ulcers Rare Causes ... Peutz-Jeghers), Malignant atrophic ... #gastroenterology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... demonstrated the classic miosis ... and ptosis (both ... experience, the cause ... clinical #video #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Constricted Pupils (Miotic ... Midbrain (Parinaud's Syndrome ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Preganglionic - Ptosis ... pilocarpine • Tonic ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... dissociation • Other causes ... of tonic pupil ... PhysicalExam #neurology #ophthalmology
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
• Budd-Chiari syndrome ... Ovulatory pain • Ectopic ... Irritable bowel syndrome ... artery compression syndrome ... Differential #Diagnosis #gastroenterology
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... input to (in this case ... Images #Clinical #Ophthalmology ... #Photo #Horners ... #Syndrome #Ptosis