TNO Finger Pressure Reference Guide - Integral Process
TNO Finger Pressure Reference Guide - Integral Process
TNO Finger Pressure Reference Guide - Integral Process
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<strong>TNO</strong> <strong>Finger</strong> <strong>Pressure</strong> <strong>Reference</strong> <strong>Guide</strong> 30With the Modelflow cardiac output method [WESSELING 1993], as implemented inBeatScope, the following data are computer for every heart beat: The instant ofupstroke, systolic, diastolic and mean blood pressure, heart rate, inter-beat interval,stroke volume, cardiac output, ventricular ejection time, peripheral resistance,aortic characteristic impedance and aortic compliance.200<strong>Pressure</strong> (mmHg)15010050<strong>Finger</strong> pressureBrachial pressureBrachial<strong>Finger</strong>Raw_diasLevl_diasRaw_systLevl_syst025 26 27 28 29 30Time (s)Figure 3.7 <strong>Finger</strong> and brachial artery pressure waveforms and beat data in a managed 27, (The triangles are at the diastolic and systolic pressure of the raw fingerpressure signal, the square symbols are diastolic and systolic readings afterwaveform filtering and level correction with BeatScope).
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