Cosmed Quark PFT, Manual

Page: 86 / 148

86 - Quark PFT User Manual
4. Wait for the zeroing of the analyser is completed and plug in again the sampling
line in the flowmeter
5. Connect the Patient to the mouthpiece and let her/him breathing at rest until the
message “Carry out Vital Capacity” is prompted
6. Carry out a Slow Vital Capacity if desired (this is not necessary for completing the
DLCO test)
7. Invite the Patient to exhale up to Residual Volume and press F2 during the
maximal expiration
8. Coach the Patient to inhale up to Total Lung Capacity and to hold the breath until
the expiratory valve will be automatically open; a quick full expiration shall follow
and the test will be completed.
A dashed line indicates the 90% of the Best Vital Capacity (if a FVC or SVC test is
available in the archive, otherwise it indicates the 90% of the Predicted VC), in order to
verify the correctness of the manoeuvre.
Double-click with the left mouse button in order to modify the test options (wash-out
volume, sampling volume, calculation of the real apnoea time…). Checking the box
ATS95 Criteria , it is possible to set automatically 1 litre for wash-out and sampling
values, according to the ATS95 criteria.