1370 results
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
dissociation (tectal pupils ... retraction (Collier's sign ... "setting sun" sign ... Parinauds #syndrome #neurology ... #diagnosis
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Marcus Gunn's pupils ... It is a clear sign ... very sensitive diagnostic ... Pupillary #Defect #Neurology ... Clinical #Video #Pupils
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... • Meningeal signs ... , mid-dilated pupil ... #Differential #Diagnosis ... #Algorithm #neurology
Pupils: Localization in Coma
 • Small, Reactive pupils: Metabolic coma.
 • Unilateral Fixed, dilated pupil :
Pupils: Localization ... Small, Reactive pupils ... Fixed, dilated pupil ... #Coma #Neurology ... #differential #diagnosis
Pupillary Abnormalities  Overview
 - Unequal Pupils (anisocoria)
 - Tonic pupil (Adie's pupil)
 - OculomotorNerve (CN
Overview - Unequal Pupils ... anisocoria) - Tonic pupil ... (Adie's pupil) ... - Equal Pupils ... #Diagnosis #Ophthalmology
Landolfi's Sign in Severe Aortic Regurgitation

Pupil dilatation and contraction is synchronized with the heartbeat.

Dr. Bruno Farnetano
Landolfi's Sign ... Regurgitation Pupil ... #Landolfis #Sign ... clinical #video #pupils
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
- Differential Diagnosis ... Measure pupil size ... noted, re-measure pupil ... - Adie's Tonic Pupil ... #Differential #Diagnosis
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
Both pupils should ... Both pupils remain ... Both pupils remain ... Instead of pupil ... #Diagnosis #PhysicalExam
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... Relative Afferent Pupil ... Neuropathy Constricted Pupils ... Isocoria #Pupillary #Pupils ... #Differential #Diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Cough reflex Pupils ... • Examine for signs ... #PhysicalExam #neurology ... #comatose #diagnosis