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Bupivacaína - Unesp

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Anestésicos Locais<br />

Sítios de ação dos diferentes tipos de anestésicos locais.<br />

BH + B + H +<br />

TTX<br />

benzocaína<br />

Aminoésteres e aminoamidas<br />

na forma iônica (BH + ) agem<br />

na superfície axoplásmica<br />

dos canais de Na + .<br />

Na forma de base (B) agem<br />

no interior da membrana dos<br />

canais (pouco importante).<br />

B<br />

BH +<br />

axoplasma<br />

H + + B BH +<br />

(Covino BG, Scott DB. Handbook of Epidural Anaesthesia and Analgesia, 1985)

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