Time constants for switching flow in left ventricular output impedance

H.B.K. Boom; Hessel Wijkstra

doi:10.1109/IEMBS.1988.94502

Time constants for switching flow in left ventricular output impedance

H.B.K. Boom, Hessel Wijkstra

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Abstract

Pressure curves obtained in isolated rabbit hearts after the end of externally imposed constant flow pulses were divided by isovolumic pressure curves at the same volume. An exponential decay to a constant level, generally lower than one, was observed. The time constant equaled that found for switching-on of the flow pulse. The results indicate that flow deactivation can be described as a decrease of ventricular elastance.

Original language	Undefined
Pages	252-253
DOIs	https://doi.org/10.1109/IEMBS.1988.94502
Publication status	Published - 1989
Event	10th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 1988 - New Orleans, United States Duration: 4 Nov 1988 → 7 Nov 1988 Conference number: 10

Conference

Conference	10th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 1988
Abbreviated title	EMBC
Country/Territory	United States
City	New Orleans
Period	4/11/88 → 7/11/88

Keywords

IR-56102

Access to Document

10.1109/IEMBS.1988.94502

00094502

Cite this

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title = "Time constants for switching flow in left ventricular output impedance",

abstract = "Pressure curves obtained in isolated rabbit hearts after the end of externally imposed constant flow pulses were divided by isovolumic pressure curves at the same volume. An exponential decay to a constant level, generally lower than one, was observed. The time constant equaled that found for switching-on of the flow pulse. The results indicate that flow deactivation can be described as a decrease of ventricular elastance.",

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author = "H.B.K. Boom and Hessel Wijkstra",

year = "1989",

doi = "10.1109/IEMBS.1988.94502",

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T1 - Time constants for switching flow in left ventricular output impedance

AU - Boom, H.B.K.

AU - Wijkstra, Hessel

N1 - Conference code: 10

PY - 1989

Y1 - 1989

N2 - Pressure curves obtained in isolated rabbit hearts after the end of externally imposed constant flow pulses were divided by isovolumic pressure curves at the same volume. An exponential decay to a constant level, generally lower than one, was observed. The time constant equaled that found for switching-on of the flow pulse. The results indicate that flow deactivation can be described as a decrease of ventricular elastance.

AB - Pressure curves obtained in isolated rabbit hearts after the end of externally imposed constant flow pulses were divided by isovolumic pressure curves at the same volume. An exponential decay to a constant level, generally lower than one, was observed. The time constant equaled that found for switching-on of the flow pulse. The results indicate that flow deactivation can be described as a decrease of ventricular elastance.

KW - IR-56102

U2 - 10.1109/IEMBS.1988.94502

DO - 10.1109/IEMBS.1988.94502

M3 - Paper

SP - 252

EP - 253

Y2 - 4 November 1988 through 7 November 1988

ER -