EasyOne Pro™ / EasyOne Pro™ LAB 87
Quality Messages and Quality Grades
5.2 SVC Quality Messages and Quality Grades
The quality grading is based on [3].
SVC Quality Messages
The end-of-test criterion for an SVC test is the same as for an FVC test: A test
ends when the volume change during the last 2 seconds is 30 ml (test
time 6 s) 45 ml (test time > 6 s) or if an inspiratory volume >
120 ml is
detected.
When this end-of-test criterion is met, the following quality messages are
checked:
Message Criterion Recommended action
Deeper breath VC of the two largest, accepted tri-
als are not reproducible. Differ-
ence with respect to best test
greater than 150 ml.
The test differs greatly from previ-
ous tests. The patient can inhale
even more deeply and exhale
even more air.
No Steady-Tidal
breathing detected
All end-inspiratory volumes of the
last 3 breaths within 200 ml.
Instruct patient to breathe quietly
and steadily.
Maneuver incom-
plete
No ERV and/or no IRV could be
calculated due an incomplete
maneuver session.
Perform SVC test according to
ERS/ATS recommendation.
Do not start too
early!
Too early, flow detected. Instruct the patient to wait until
the baseline setting is finished
and the device signals that the
trial can start ('Start maneuver …')
Good effort, do next Test meets above criteria. Good trial. Only one to two more
good trials and the test is com-
plete.
Session Complete!
Great Job!
QC grade A, VC variability
150 ml
and at least 3 acceptable trials
available.
The test is complete. An adequate
number of good tests is available.
To Next Page
Loading...
Need help?
General
