52 results
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... Miosis: Horner's syndrome ... Robertson pupils), DM, SAH ... #differential #diagnosis ... #ophthalmology
Incomplete Spinal Cord Syndromes
Anterior Cord Syndrome:
 • Bilateral loss of motor, pain and temperature sensation below
Incomplete Spinal Cord Syndromes ... Anterior Cord Syndrome ... : • Bilateral ... Penetrating trauma or lateral ... #Diagnosis #Neurology
Pupils: Localization in Coma
 • Small, Reactive pupils: Metabolic coma.
 • Unilateral Fixed, dilated pupil :
Bilateral, Large ... • Bilateral, midposition ... • Horner's syndrome ... Localization #Coma #Neurology ... #differential #diagnosis
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
- Differential Diagnosis ... Posner-Schlossman Syndrome ... /bilateral up to ... #Differential #Diagnosis ... #Causes #ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Unilateral Fixed ... - Differential Diagnosis ... lntracranial hemorrhage, SAH ... #differential #diagnosis ... #neurology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
intact) - Usually bilateral ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... photophobia - Bilateral ... headache: - Bilateral ... #ophthalmology ... #Neurology
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
- Differential Diagnosis ... DM (visit 2), Diagnosis ... • Nephritic syndrome ... • Bilateral RAS ... HTN #Secondary #Nephrology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Lateral Medullary ... Syndrome Acute ... @neudrawlogy #Lateral ... #Wallenbergs #neurology ... #diagnosis
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
dissociaton; • Usually unilateral ... Holmes-Adie Syndrome ... females Differential Diagnosis ... #PhysicalExam #neurology ... #ophthalmology