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dark blips on waveforms - Printable Version

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dark blips on waveforms - Inspired - 03-29-2016

Curiosity question: What is the cause of dark blips on downstroke of waveforms? see attached

[attachment=2310]

thanks.



RE: dark blips on waveforms - FrankNichols - 03-29-2016

(03-29-2016, 02:50 PM)Inspired Wrote: Curiosity question: What is the cause of dark blips on downstroke of waveforms? see attached



thanks.

Those are oscillations, if you spread out the timeline more you will see small waves. Why they are there someone else will have to answer.


RE: dark blips on waveforms - robysue - 03-29-2016

They are most likely expiratory snores. Here's a table of some common shapes in flow rate data and what typically causes them:

[Image: flow_limitation_images_zpsdb148d1f.jpg]

RE: dark blips on waveforms - Inspired - 03-31-2016

(03-29-2016, 03:37 PM)robysue Wrote: They are most likely expiratory snores. Here's a table of some common shapes in flow rate data and what typically causes them:

[Image: flow_limitation_images_zpsdb148d1f.jpg]

Thanks Robysue, that answers my question.