1426 results
Landolfi's Sign in Severe Aortic Regurgitation

Pupil dilatation and contraction is synchronized with the heartbeat.

Dr. Bruno Farnetano
Regurgitation Pupil ... contraction is synchronized ... clinical #video #pupils
Pupillary Abnormalities  Overview
 - Unequal Pupils (anisocoria)
 - Tonic pupil (Adie's pupil)
 - OculomotorNerve (CN
Overview - Unequal Pupils ... anisocoria) - Tonic pupil ... (Adie's pupil) ... - Homer's Syndrome ... - Equal Pupils
Pupils: Localization in Coma
 • Small, Reactive pupils: Metabolic coma.
 • Unilateral Fixed, dilated pupil :
Pupils: Localization ... Small, Reactive pupils ... Fixed, dilated pupil ... • Pinpoint pupils ... • Horner's syndrome
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Measure pupil size ... noted, re-measure pupil ... - Horner's Syndrome ... - Adie's Tonic Pupil ... Ophthalmology #Pupillary #Pupils
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Relative Afferent Pupil ... Neuropathy Constricted Pupils ... Midbrain (Parinaud's Syndrome ... Isocoria #Pupillary #Pupils
Landolfi’s Sign on Physical Exam

A 73-year-old man presented with shortness of breath. On ocular exam, pupil
On ocular exam, pupil ... constriction that were synchronized ... dilation of the pupil
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis: Dilated pupils ... , Adie's tonic pupil ... response, Serotonin syndrome ... : Constricted pupils ... Miosis: Horner's syndrome
Instructions on how to perform the swinging light test to detect a relative afferent pupillary defect.

http://www.cmaj.ca/content/early/2015/01/05/cmaj.140685

Normal
to avoid a near pupil ... Both pupils should ... Both pupils remain ... Both pupils remain ... Instead of pupil
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
- 10% cocaine: pupils ... Tonic (Adie's) Pupil ... Anisocoria #Pupillary #Pupils
Toxidromes: Serotonin Syndrome, Neuroleptic Malignant Syndrome, Anticholinergic Delirium - Venn Diagram

All: Hypertension, Tachycardia

Anticholinergic Delirium:
- dilated pupils,
Toxidromes: Serotonin Syndrome ... Neuroleptic Malignant Syndrome ... Delirium: - dilated pupils ... Neuroleptic Malignant Syndrome ... Serotonin Syndrome