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| Both sides previous revision Previous revision Next revision | Previous revision | ||
| horner_syndrome_and_cocaine [2016/05/17 23:32] – Scott Larson | horner_syndrome_and_cocaine [2025/04/18 20:40] (current) – external edit 127.0.0.1 | ||
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| ====== Horner syndrome and Cocaine ====== | ====== Horner syndrome and Cocaine ====== | ||
| - | =====Action of Cocaine===== | + | ====Action of Cocaine==== |
| Cocaine blocks reuptake of norepinepherine that is normally released from nerve endings. | Cocaine blocks reuptake of norepinepherine that is normally released from nerve endings. | ||
| In a sympathetic lesion, norepinepherine is not released. | In a sympathetic lesion, norepinepherine is not released. | ||
| Line 9: | Line 9: | ||
| ====Effects of Cocaine on Normal pupil==== | ====Effects of Cocaine on Normal pupil==== | ||
| dilation | dilation | ||
| - | =====Test procedure===== | + | ====Test procedure==== |
| * Place not more than 2 drops of cocaine hydrochloride 10% in both eyes (2% for infants and children,4% and 5% can also work for adults) | * Place not more than 2 drops of cocaine hydrochloride 10% in both eyes (2% for infants and children,4% and 5% can also work for adults) | ||
| * Measure anisocoria 50-60 minutes later | * Measure anisocoria 50-60 minutes later | ||