Amplitude envelope slopes of oscillometric blood pressure waveforms as defined by amplitude ratios

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23220%2F09%3A00502251" target="_blank" >RIV/49777513:23220/09:00502251 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Amplitude envelope slopes of oscillometric blood pressure waveforms as defined by amplitude ratios

Popis výsledku v původním jazyce

Oscillometric methods for blood pressure determination use oscillometric waveform amplitudes. A typical waveform amplitude envelope exhibits a rise of amplitudes at cuff pressures above mean arterial pressure and decrease of amplitudes below mean pressure. Amplitude envelope slopes are functions of several hemodynamic variables. An amplitude envelope can be divided into three segments: segment S1 is the portion of the slope at cuff pressures above systolic pressure, segment S2 is the portion at cuff pressures between systolic and mean pressure, and segment S3 is the slope between mean and diastolic pressure. The slope S2 should be less steep than slope S1 or slope S3 because of the blood flow under the cuff and into the distal vasculature. To test thishypothesis, ten subjects were tested using a specialized data acquisition system. Commercial brachial (upper arm) cuff was used. Results (mean values): S1=0.125, S2=0.056, S3=0.093. All ten S2 slopes were less steep than the slopes S1. T

Název v anglickém jazyce

Amplitude envelope slopes of oscillometric blood pressure waveforms as defined by amplitude ratios

Popis výsledku anglicky

Oscillometric methods for blood pressure determination use oscillometric waveform amplitudes. A typical waveform amplitude envelope exhibits a rise of amplitudes at cuff pressures above mean arterial pressure and decrease of amplitudes below mean pressure. Amplitude envelope slopes are functions of several hemodynamic variables. An amplitude envelope can be divided into three segments: segment S1 is the portion of the slope at cuff pressures above systolic pressure, segment S2 is the portion at cuff pressures between systolic and mean pressure, and segment S3 is the slope between mean and diastolic pressure. The slope S2 should be less steep than slope S1 or slope S3 because of the blood flow under the cuff and into the distal vasculature. To test thishypothesis, ten subjects were tested using a specialized data acquisition system. Commercial brachial (upper arm) cuff was used. Results (mean values): S1=0.125, S2=0.056, S3=0.093. All ten S2 slopes were less steep than the slopes S1. T

Druh

D - Stať ve sborníku

CEP obor

JA - Elektronika a optoelektronika, elektrotechnika

OECD FORD obor

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Projekt

<a href="/cs/project/FT-TA3%2F058" target="_blank" >FT-TA3/058: *Signálový procesor pro zpracování radarových dat.</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2009

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

2009 Applied Electronics

ISBN

978-80-7043-781-0

ISSN

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e-ISSN

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Počet stran výsledku

4

Strana od-do

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Název nakladatele

University of West Bohemia

Místo vydání

Pilsen

Místo konání akce

Plzeň

Datum konání akce

10. 9. 2009

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000273977300029