Relationship between middle cerebral artery blood velocity and end-tidal PCO2 in the hypocapnic-hypercapnic range in humans

Ide, Kojiro; Eliasziw, Michael; J. Poulin, Marc

doi:10.1152/japplphysiol.01186.2002

Public

Relationship between middle cerebral artery blood velocity and end-tidal PCO2 in the hypocapnic-hypercapnic range in humans

Published in Journal of Applied Physiology • Jul 1, 2003

Authors:

Kojiro Ide

Michael Eliasziw

Marc J. Poulin

Abstract

This study examined the relationship between cerebral blood flow (CBF) and end-tidal PCO2 (PETCO2) in humans. We used transcranial Doppler ultrasound to determine middle cerebral artery peak blood velocity responses to 14 levels of PETCO2 in a range of 22 to 50 Torr with a constant end-tidal PO2 (10...

Subject

Hypocapnia

Hypercapnia

Cerebral blood flow

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