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Critical Care
Published in: Critical Care 3/2007

01-06-2007 | Poster presentation

Pharmacological vasodilatation increased pulse pressure variation mimicking hypovolemic status in rabbits

Authors: GA Westphal, ARR Gonçalves, A Bedin, R Steglich, E Silva, LF Poli de Figueiredo

Published in: Critical Care | Special Issue 3/2007

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Excerpt

Pulse pressure respiratory variation (PPV), which is the difference between the maximal and minimal arterial pulse pressure values after one positive-pressure breath, is largely used for early identification of hypovolemic status. Increased PPV, as seen in hypovolemia, results from exaggerated respiratory variation in transpulmonary blood flow that results in corresponding left ventricular preload variations during respiratory cycles. Hence, any factor that affects left ventricular preload can be associated with PPV amplification. …
Metadata
Title
Pharmacological vasodilatation increased pulse pressure variation mimicking hypovolemic status in rabbits
Authors
GA Westphal
ARR Gonçalves
A Bedin
R Steglich
E Silva
LF Poli de Figueiredo
Publication date
01-06-2007
Publisher
BioMed Central
Published in
Critical Care / Issue Special Issue 3/2007
Electronic ISSN: 1364-8535
DOI
https://doi.org/10.1186/cc5796

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