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Do flow limitations typically cause oxygen desaturation? - Printable Version

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Do flow limitations typically cause oxygen desaturation? - Michaely6 - 08-07-2019

If AHI is 0 but oxygen levels still drop in the 80's, can flow limitation be the culprit behind the decrease in blood oxygen levels?

RE: Do flow limitations typically cause oxygen desaturation? - Gideon - 08-07-2019

A single flow limitation, i seriously doubt it. But an extended series of flow limitations near 50% reduction, that is certainly possible. Are RERAs present?

RE: Do flow limitations typically cause oxygen desaturation? - Michaely6 - 08-07-2019

The vauto does present rera but the flow graph doesn't have some flattening to the inspiratory curve

RE: Do flow limitations typically cause oxygen desaturation? - Gideon - 08-07-2019

If you would like specific responses post your charts showing what you have questions about.

Height and volume both come into play on breathform evaluation.

RE: Do flow limitations typically cause oxygen desaturation? - Michaely6 - 08-07-2019

Ok. Will post charts when I get home thanks

RE: Do flow limitations typically cause oxygen desaturation? - yankees123 - 08-07-2019

I have the vauto and it does not display Rera’s.

RE: Do flow limitations typically cause oxygen desaturation? - yrnkrn - 08-09-2019

(08-07-2019, 03:19 PM)yankees123 Wrote: I have the vauto and it does not display Rera’s.

AirCurve 10 does not show RERAs but you can identify them visually as series of diminshing flow-limited breaths followed by recovery breath, like these:


[Image: CMICraX.jpg]

[Image: wRyiynT.jpg]

RE: Do flow limitations typically cause oxygen desaturation? - yankees123 - 08-09-2019

Yes you are correct, I meant it doesn’t exactly point out the rera’s but like you said looking at the flow chart you can identify them.