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dark blips on waveforms
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Inspired Offline

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Post: #1
dark blips on waveforms
Curiosity question: What is the cause of dark blips on downstroke of waveforms? see attached

[attachment=2310]

thanks.

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03-29-2016 02:50 PM
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FrankNichols Offline

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Post: #2
RE: dark blips on waveforms
(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.

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03-29-2016 02:54 PM
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robysue Offline
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Post: #3
RE: dark blips on waveforms
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]

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03-29-2016 03:37 PM
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Inspired Offline

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Post: #4
RE: dark blips on waveforms
(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.

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03-31-2016 09:07 AM
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