dark blips on waveforms

[Inspired]

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

[attachment=2310]

thanks.

[FrankNichols]

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.

[robysue]

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

[Inspired]

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

Thanks Robysue, that answers my question.