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Contec RS01 & OSCAR
#21
RE: Contec RS01 & OSCAR
I am not professionally qualified to provide medical advice.

A DIY approach to the identification of atrial fibrillation could involve comparison of photoplethysmogram (PPG) data from a RS01 with other sources, such as figure 1 here ( https://www.nature.com/articles/s41746-019-0207-9 ), figure 1 here ( https://www.heartrhythmopen.com/article/...0/fulltext ), figure 2 here ( https://academic.oup.com/europace/articl...31/5481113 ), and figure 2 here ( https://www.cinc.org/archives/2017/pdf/049-011.pdf ).

One could expect that a PPG with lower signal-to-noise ratio would result in a less accurate derivation of heart rate. From personal experience, I believe the RS01 applies automatic gain control to the PPG sensor signal, and it takes a moment to adjust. Additionally, I expect the RS01 uses some sort of filter when deriving the heart rate signal, at least so that the readings do not flutter rapidly for small changes or noise. I am not aware that the exact algorithms used are public knowledge.
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