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6.0 Measurements Short Description
In this chapter you can find a short description of the primary measurements that are
calculated and displayed by the Starling SV device.
6.1
CO
Cardiac Output
is the volume of blood being pumped by the heart in one minute. It
is equal to the heart rate multiplied by the average stroke volume. The unit of
measurement is liters per minute. CO=HR × SV.
6.2
CI
Cardiac Index
is a parameter that relates the cardiac output (CO) to body surface
area (BSA), thus relating heart performance to the size of the individual. The unit of
measurement is liters per minute per square meter (l/min/m^2).
6.3
HR
Heart Rate
is the number of contractions (heart beats) of the heart in one minute.
The HR units are BPM (Beats per Minute).
6.4
VET
Ventricular Ejection Time
is the time of ejection of blood from the ventricle
beginning with aortic valve opening and ending with aortic valve closure. The unit of
measurement is millisecond..
6.5
dX/dt
Instantaneous thoracic BIOREACTANCE.
The input and output of blood
through the thorax at each systole causes modifications of the electric properties of
the thorax, which can be measured by calculating the electrical bio-reactance. The
electrical bio- reactance of the thorax cyclically drops with each pulsatile volume of
blood ejected from the heart.
6.6
SV
Stroke volume
is the amount of blood (cc) pumped by the ventricle of the heart in
one contraction.
Chapter
6
Содержание Starling SV
Страница 1: ...R IFU 05 Revision 3 Starling SV User Guide ...
Страница 10: ...9 Figure 1 2 Back panel of the Starling SV Figure 1 3 Front and side of the Starling SV ...
Страница 46: ...45 Figure 2 10 Starling SV Tabular display screen ...
Страница 86: ...85 6 23 DBP SBP stands for Diastolic Blood Pressure ...