AT-2plus User Guide Spirometry Supplement
Page 52
AT-2plus Spirometry Supplement
Page 52
Spirometry Tips - How To Do It and Common Pitfalls and
Problems
FEV1
°
As for FVC
°
Take largest FEV1 even if not from the same curve as the best FVC
°
„Zero time“ determined by back-extrapolation - extrapolated volume should be <5% of FVC or 0.15 litres,
whichever is greatest
°
Smooth, rapid take off with no: hesitation, cough, leak, tongue obstruction, glottic closure, valsalva or
early termination
°
Reproducibility: the highest and second highest FEV1 should agree to within 0.2L
Spirometry Tips - How To Do It and Common Pitfalls
and Problems
FEV1
°
As for FVC
°
Take largest FEV1 even if not from the same curve as the best FVC
°
„Zero time“ determined by back-extrapolation - extrapolated volume should be <5% of
FVC or 0.15 litres, whichever is greatest
°
Smooth, rapid take off with no: hesitation, cough, leak, tongue obstruction, glottic closure,
valsalva or early termination
°
Reproducibility: the highest and second highest FEV1 should agree to within 0.2L
Summary of Contents for Schiller AT-2plus
Page 1: ...i i AT 2plus Spiro Option AT 2plus Spiro Option Schiller Menu Manuals...
Page 9: ...ix ix...
Page 10: ...x x...
