Nlhep Qc Grades; Nlhep Interpretation; Switching Off - Micro Direct Micro I Operating Manual

When two maneuvers fail either of the consistency checks, the
best individual results of the two are saved (FEV1, FEV6 and PEF
individually).
When any of the above messages appear, instruct the patient on
how to improve their maneuver and demonstrate the correct
maneuver yourself.

NLHEP QC Grades

The quality of each session is graded according to the following
criteria:
QC Grade
A
B
C
D
F

NLHEP Interpretation

The interpretation is performed on the best spirometry results and
is based upon the predicted values for the force expiratory ratio,
FEV /FEV , and FEV
1 6
of severity is reported in accordance with the NLHEP guidelines.

Switching Off

The unit is switched off by pressing the On/Off button.
At least two acceptable maneuvers, with the largest
's matching better than 100 ml and the
two FEV
1
largest two FEV
At least two acceptable maneuvers, with the largest
's matching better than 150 ml
two FEV
1
At least two acceptable maneuvers, with the largest
's matching between 200 ml and 150 ml
two FEV
1
Only one acceptable maneuver or two with the
largest two FEV
No acceptable maneuvers
. If airways obstruction is detected, the level
1
Criteria
's matching better than 100 ml
6
's matching less than 200 ml
1
19