Exaggerated hippus
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Clinic
- Pupillary hippus, also known as pupillary athetosis, is spasmodic, rhythmic, but regular dilating and contracting pupillary movements between the sphincter and dilator muscles.
- Pathologic hippus, the phenomenon of increased oscillation or their amplitude
- It is sign of common pathway of frontal lobe dysfunction
Causes
- Aconite poisoning
- Altered mental status
- Trauma
- Cirrhosis
- Renal disease