!
!
9. If!the!pat ien t !fe els !th e y !ar e!u n a b le !to !e x h a le!for!any!longer!a n d !th e !t es t!h a s!not!finished!they!
can!end!the!test!at!any!time!by!pressing! .!
10. The!final!results!will!be!show n !on !screen .!
11. Once!the!test!is!complete!the!final!O2!concentration!can!be!observed!by!pressing! ,!this!will!
show!the!O2!concentration!in!%!an d!the!correction!factor!applied!to!the!reading,!if!it!was!
required.!A!visua l!indica tor!w ill!help !interp reta tion !of!the !result:!
a. !Good!test,!little!or!no!correction!factor!applied!
b. Satisfactory!test,!correction!factor!applied!
c. Poor!test,!high!correction!factor!applied!another!test!is!recommen d e d !
12. Press! !to!return!to!the!re sults!scre en .!
13. When!you!are!finished!press! !to!return!to!the !home!screen.!NOTE!this!will!lose!the !read ing,!
please!ensure!you!have!downloaded!to!GastroCHART™!or!recorded!manually.!!
14. Remove!the!mouthpiece!and!sample!line!between!tests!to!purge!sensors!with!fresh!air!
!
Breath'bag'sample'collection''
1. Remove!the!blue!plastic!plugs!from !each!end!of!the!breath!bag.!!
2. Place!two!bag!clam ps!over!the!inlet!and!outlet!tubes!of!the!breath!bag.!!
!
3. Insert!a!b re a th !b a g !m o uthpiece!into !th e !b ag !in le t!t u b e !o f!th e !b re a th !b a g .!!
!
4. Ensure!both!bag!clamps!are!disengaged/open,!allowing!air!to!pass!through!the!bag.!!
5. Exhale!gently!through!the!bag!at!a!steady!rate.!!
6. Continue!exhaling!until!you!feel!you!have!nearly!emptied!your!lungs.!This!clears!the!dead!air!in!
the!upper!airspa ce !of!the!lun g s !in!o r de r!t o!a c h iev e !a!g o o d !en d -tidal!sample.!!
7. As!soon!as!you!feel!your!lungs!are!nearly!empty,!and!end-tidal!breath !has!a lmo st!be en !reac he d,!
engage/close!the!clamp!at!the!outlet !of !th e !ba g .!! !
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