Signale/Parameter

Advanced Hemodynamics

Abkürzung

Ganzer Name

Beschreibung

Min.

Max.

Einheit

mFlow

Reconstucted Flow

Model computation of the aortic flow waveform.

-10

60

[l/min]

CO

Caridac Output

Cardiac Output (= SV*HR), Volume of per minute circulated blood.

0

200

[ml]

SV

Stroke Volume

Stroke Volume, Volume per beat (integration of mFlow signal).

0

50

[l/min/m²]

CI

Cardiac Index

Cardiac output Indexed (= CO/BSA).

0

50

[l/min/m²]

SVI

Stroke Volume Index

Stroke Volume Indexed (= SV/BSA).

0

200

[ml/m²]

TPR

Total Peripheral Restiance

Parameter of Windkessel model used to reconstruct flow from pressure: Total Systemic Peripheral Resistance (Zao + Rp), used to reconstruct flow from pressure.

0

2

[mmHg.s/ml]

TPRI

Total Peripheral Resistance Index

Peripheral Resistance Indexed (= TPR/BSA).

0

7,5

[mmHg.s/ml/m²]

LVET

Left Ventricular Ejection Time

Left Ventricular Ejection Time.

0

2000

[ms]

dp/dt

Maximal steepness oft he current upstroke

Maximal steepness of the current upstroke (time derivative of the finger pressure waveform signal).

0

10000

[mmHg/s]

RPP

Rate Pressure Product

Rate Pressure Product computed as the product of systolic pressure pulse rate and is an index for cardiac oxygen demand per min (= SYS*HR).

0

50000

[mmHg/min]

SPTI

Sysstolic Pressure Time Index

Stolic Pressure Time Index computed as the area under the diastolic portion of the arterial pulse, i.e. from the incisura to the next timeUpstroke to the incisura.

0

500

[mmHg*s]

DPTI

Diastloic Pressure Time Index

Diastolic Pressure Time Index computed as the area under the diastolic portion of the arterial pulse, i.e. from the incisura to the next timeUpstroke.

0

500

[mmHg*s]

DPTI/SPTI

DPTI/SPTI

Ratio is an index of cardiac oxygen supply / demand.

0

250

[%]

Zao

Aortic Impendance

Parameter of Windkessel model used to reconstruct flow from pressure: ascending aorta characteristic impedance (Z) at diastolic pressure, impedance of arterial system.

0

1

[mmHg.s/ml]

Cwk

Windkessel Compliance

Parameter of Windkessel model used to reconstruct flow from pressure: Windkessel compliance (C), total arterial compliance at distolic pressure.

0

10

[ml/mmHg]

Rp

Peripheral Resistance

Parameter of Windkessel model used to reconstruct flow from pressure: peripheral resistance (R), adapts to changes in mean flow.

0

4

[mmHg.s/ml]

maxaortaArea

Maximal surface of aorta

Maximal surface of aorta section based on patient data and flow correction factor.

0

1000

[mm²]

BSA Body Surface Area Body Surface Area, the surface area of a patient body, estimated from patient data. 0 5 [m2]

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