A new method for estimation of the left ventricular pressure-volume area

Author

Barnea, Ofer ; Jaron, Dov

Author_Institution

Biomed. Eng. & Sci. Inst., Drexel Univ., Philadelphia, PA, USA

Volume

37

Issue

1

fYear

1990

Firstpage

109

Lastpage

111

Abstract

A method is presented for obtaining the pressure-volume area (PVA) as defined by H. Suga and K. Sugawa (see Circ. Res., vol.32, p.314, 1973). The method allows calculation of the PVA from pressure and flow waveforms of ejecting beats and requires only one isovolumic ventricular contraction performed at any end-diastolic volume. The major advantages of the method are that it eliminates the requirement for a volume measurement and for repeated isovolumic beats. All the calculations are based on a normalized function obtained from a single isovolumic beat and pressure flow data for the ejecting beat of interest.

Keywords

biological techniques and instruments; cardiology; flow measurement; haemodynamics; pressure measurement; ejecting beat; ejecting beats; end-diastolic volume; flow waveforms; isovolumic ventricular contraction; left ventricular pressure-volume area; normalized function; pressure flow data; pressure measurement; repeated isovolumic beats; single isovolumic beat; volume measurement; Animals; Biomedical engineering; Biomedical measurements; Energy conversion; Equations; Heart; Joining processes; Pressure measurement; Thyristors; Volume measurement; Animals; Cardiac Volume; Dogs; Models, Cardiovascular; Myocardial Contraction; Oxygen Consumption; Pressure; Species Specificity;

fLanguage

English

Journal_Title

Biomedical Engineering, IEEE Transactions on

Publisher

ieee

ISSN

0018-9294

Type

jour

DOI

10.1109/10.43623

Filename

43623