Treaton MV200, Руководство пользователя

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4.4 Starting window. Beginning of ventilation
4-8
4.4.3 Automatic calculation of initial ventilation parameters
According to the entered data in starting window (height and gender of the patient) the device
ventilation automatically calculated starting parameters for all provided modes.
MV for adults and children differs and is calculated in liters per kg of ideal weight (IBW):
•
For the adult patients MV = 0.1 liter per kg IBW,
•
For the children with weight more than 30 kg MV = 0.1 liter per kg IBW,
•
For the children with weight up to 5 kg inclusive MV = 0.3 liter per kg IBW,
•
For the children with weight from 5 to 30 kg MV = (–0.008×IBW+0.34) × IBW.
The above described calculations are visually presented on graphics.
Figure 4.3 – Automatic MV calculation for adults and children
These calculations are real for a resting condition (without physical activity) for conditionally
healthy person. At the increased physical activity, at the increased body temperature, at the
raised metabolism, at the expressed pain syndrome minute ventilation can increase many
times. At the same time in the condition of the lowered metabolism (for example, under anes-
thesia, etc.), minute ventilation can decrease noticeably. Further correction of minute volume
during ventilation is carried out by the doctor, according to the information of gas composition of
blood, EtCO
2
and clinical condition of the patient.
Values of calculated starting ventilation parameters are given below. These parameters are
starting, guaranteeing the safe start of ventilation.
Table 4.2. Values of the calculated starting ventilation parameters for the new patient
Parameter Value Notice
MV
0.1 liter per kg IBW
adults and children with weight more
than 30 kg
0.3 liter per kg IBW
(–0.008×IBW+0.34) liter per kg
IBW
children with weight up to 5 kg
children with weight from 5 to 30 kg
Vt 7.5 ml/kg × IBW
standard value of 7.5 ml/kg is
available to adjust in the [Menu]
→
[Ventilation parameters] → [Patient’s
parameters] in the range 6 … 9 ml/kg
IBW with the step 0.5 ml