Frc Test (Easyone Pro™ Lab Only) - NDD easyone pro Operator's Manual

3.9 FRC Test (EasyOne Pro™ LAB only)
Introduction
FRC measurement is based on the nitrogen (N
is washed out from the lungs while the patient breathes 100% oxygen. The
test is performed during tidal breathing within the range indicated at a (Fig.
3-26). After a (configurable) number of breaths, the measurement starts
automatically or it can be started manually with the Activate button.
You can choose between the following tests:
Additionally, the FRC test linked with SVC is available (Linked FRC Test with
SVC (online)), see
No linked SVC
Performing a Test
Note
Before conducting the FRC test, the valve unit must be
attached to the flow sensor (see Fig. 2-7). Furthermore, a new
FRC barriette™ and, if a new patient is tested, a new
spirette™ must be inserted (see
Valve, DLCO barriette™/FRC barriette™ and spirette™"
page 35).
Before performing the first FRC test, check that the valve unit is
properly attached and that the metal coupling ring of the
motor is tight.
Inform patients that they may experience a feeling of dryness
during inhalation. Also, they will hear oxygen escape during
the washout phase.
manual mode

automatic mode.

"FRC (mbw) Tab"
No linked SVC

SVC before washout

SVC after washout.

Note
The method recommended by ATS/ERS is the linked SVC test.
Only a plain FRC washout is performed. If an SVC test has been
performed before, the lung volume parameters, such as TLC,
ERV and RV, will be calculated based on this external SVC test.
EasyOne Pro™ / EasyOne Pro™ LAB
) washout method where N
2
"Inserting the One-Way
on page 122):
2
on
71