photoplethysmography
technology→ stable
PPG
A photoplethysmogram (PPG) is an optically obtained plethysmogram that can be used to detect blood volume changes in the microvascular bed of tissue. A PPG is often obtained by using a pulse oximeter which illuminates the skin and measures changes in light absorption. A conventional pulse oximeter
1Total Mentions
+0.10Sentiment (Neutral)
0.0%Velocity (7d)
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| Week | Avg Sentiment | Mentions |
|---|---|---|
| 2026-W14 | 0.10 | 1 |