3 ms·
Exactly. Not to mention they are testing interstitial fluid and not whole blood, which introduces significant delays.
by shanselman 10y ago
Exactly. Not to mention they are testing interstitial fluid and not whole blood, which introduces significant delays.
- cperciva 10y agoI've found that the interstitial delay is pretty minimal; maybe 5-10 minutes behind fingerpricks (which themselves lag somewhat behind arterial blood, especially if your hands are cold). The dominating factor is the 15-20 minutes it takes before the median of a window reflects the new data.
- shanselman 10y agoSure, but we agree every minute counts. Also, CGMs in arms differ from belly, etc. 10 min when insulin starts in 30 is a non-trivial amount of time. Point is, we def need faster insulin and faster, more accurate CGMs.