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General Information on Ambulatory BP
Measurement
These are the buttons on TONOPORT V used during an
ambulatory blood pressure measurement:
starts and stops a measurement
START
STOP
displays the most recent measurement results
INFO
or the most recent error message, toggles
between day and night phase (see next section)
For the first measurement, the cuff is inflated to a
pressure of 160 mmHg (initial pressure). For subsequent
measurements, the device inflates the cuff to a pressure
which is 15 mmHg above the systolic value of the
previous measurement (minimum inflation pressure:
120 mmHg).
If the measuring value is above the inflation pressure, the
device will increase the cuff pressure another 50 mmHg.
A manual measurement can be taken at any time between
the automatic measurements. Manual measurements are
identified with the "+" symbol in the tabular BP data.
The device will repeat a measurement after 2 minutes, if
unsuccessful. An error code referring to failed
measurements is generated only after three consecutive
unsuccessful measurements.
Error codes E02 (battery depleted), E06 (inflation time
over) and E08 (200 measurements taken) do not lead to a
second measurement. The next measurement after error
code E06 takes place at the selected interval.
After error codes E02 and E08, the device enters the
power-save mode to prevent over-discharging of the
rechargeable batteries. This mode can only be terminated
by turning the device off and on again.
21
Application
Toggle Manually Between Day and Night
Phase
In the three measurement protocols the day phase lasts from
7 a.m. to 10 p.m. and the night phase from 10 p.m. to 7 a.m.
On the display the two phases are represented by the
symbols
(day) and
Patients whose day and night phases are different from
these predefined periods can push the
to change from one phase to the other.
If the measurement protocol was created with
CASE™ / CardioSoft and only 1 BP period has
been specified, switching from one phase to the
other will leave the measurement intervals
unchanged. They will always be the same. The
information "day phase" and "night phase" is only
used to identify the measurements.
Audio Signal
If enabled (see page 16), the audio signal will be emitted
in the following situations:
– shortly after TONOPORT V was switched on
– just before TONOPORT V starts inflating the cuff
(during the day phase only)
– after TONOPORT V has detected an erroneous
measurement
TONOPORT V
(night).
INFO
button twice
START
STOP
Note
2001589-085 Revision G
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