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Aortic input impedance during hypovolemic shock and after hyperosmotic solution infusion.

A C Garcia1, A Fonseca-Costa, E S Rocha

  • 1Instituto de Biofísica Carlos Chagas Filho, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Brasil.

Summary

Characteristic impedance (Zc) can help detect early vascular decompensation during hypovolemic shock. Hyperosmotic solution infusion reduced arterial vascular tonus, indicated by decreased impedance and peripheral resistance.

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