BeneVision N22/N19 Patient Monitor Operator’s Manual 20 - 3
■ Cardiac arrhythmia
■ Tachycardia with a heart rate higher than 200 bpm
■ The patient’s weight and height are out of range: patient heights below 120 cm (48”) or above 230 cm (90”),
and patient weights less than 30 kg (67 lbs.) or greater than 155 kg (341 lbs.)
■ Aortic balloon or aortic balloon pump
■ Patient movement
■ Signal interference from cable connections and/or power cords.
■ During operations on the opened thorax the current distribution can be distorted and can lead to
inaccuracies.
■ Simultaneous use of electrical cautery systems during surgical procedures
• The ICG module allows the examination of adult patients in a resting position. The measured
parameters can be used only if the ICG waveform has sufficient signal quality and is without
artefact.
20.4 ICG Parameters
By selecting the ICG numeric area → Hemodynamic Parameters, you can view the hemodynamic parameters
for evaluation of the patient’s hemodynamic status.
Abbreviation Full spelling Unit
ACI acceleration index /100s
2
VI velocity index /1000s
PEP pre-ejection period ms
LVET left ventricular ejection time ms
TFI thoracic fluid index
TFC thoracic fluid content /k
HR heart rate bpm
BSA body surface area m
2
C.O. cardiac output L/min
C.I. cardiac index L/min/m
2
SV stroke volume ml
SVI stroke volume index ml/m
2
SVR systemic vascular resistance DS/cm
5
SVRI systemic vascular resistance index
DS•m
2
/cm
5
PVR pulmonary vascular resistance DS/cm
5
PVRI pulmonary vascular resistance index DS•m
2
/cm
5
LCW left cardiac work kg•m
LCWI left cardiac work index kg•m/m2
LVSW left ventricular stroke work g•m
LVSWI left ventricular stroke work index g•m/m2
STR systolic time ratio /
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