Talk:Oculocardiac reflex

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I do not believe gylcopyrrolate can block the oculocardiac reflex as it is a quaternary amine thus cannot cross the blood/brain barrier. Only teritary amines such as atropine or scopolamine can cross the blood/brain. — Preceding unsigned comment added by 132.3.53.68 (talk) 20:51, 19 August 2012 (UTC)

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 * Emaple of applying even ocular presure.jpg