Related Experiment Video
Updated: May 19, 2026
04:51
Pupillary Response as Assessment of Effective Seizure Induction by Electroconvulsive Therapy
Published on: April 11, 2019
Pupillary hippus in nonconvulsive status epilepticus.
David Schnell1, Laurent Arnaud, Virginie Lemiale
1Medical Intensive Care Unit, AP-HP, Hôpital Saint-Louis, University Paris-7 Paris-Diderot, UFR de Médecine, Paris.
Epileptic Disorders : International Epilepsy Journal with Videotape
|September 4, 2012
Summary
Pupillary hippus, an unusual pupillary oscillation, was observed during nonconvulsive status epilepticus. This video recording captures a rare neurological event, offering insights into its presentation.
Area of Science:
- Neurology
- Ophthalmology
Background:
- Nonconvulsive status epilepticus (NCSE) is a prolonged seizure state that can present with subtle or absent motor symptoms.
- Pupillary abnormalities can sometimes accompany neurological events, but pupillary hippus is rarely documented.
Purpose of the Study:
- To document and describe the occurrence of pupillary hippus during an episode of nonconvulsive status epilepticus.
- To provide visual evidence of this rare phenomenon for educational and research purposes.
Main Methods:
- Video recording of a patient diagnosed with nonconvulsive status epilepticus.
- Clinical observation and documentation of pupillary behavior during the event.
Main Results:
- The video successfully captured distinct episodes of pupillary hippus.
- Pupillary hippus was observed concurrently with the nonconvulsive status epilepticus episode.
Conclusions:
- Pupillary hippus can manifest during nonconvulsive status epilepticus.
- This case highlights the importance of detailed pupillary examination in diagnosing and understanding complex neurological conditions.
