I have a semi-related anecdote about surprises from devices. I use a CPAP. After a year, I went back to the doctor for a followup, and was asked to bring the SD card so they could review the data it collects. The device records the times and duration of use, various settings, and some metrics on breathing (apnea events, etc). I knew it recorded this stuff on an SD card. I brought the card to the appointment, but the…
My wife had pretty severe sleep apnea in the third trimester of her pregnancy, two experiences that make me think this practice needs to be nuked from orbit.
1. We properly read the manual for the device and adjusted the pressure so that it didn't cause problems with burping/ingesting air during sleep. Tissue gets softer in women as they near birth and the body releases a whole host of different hormones - one that gets softer is the pharynx which keeps air out of the stomach as you breathe.
After three days - They had the gall to call and inform us that they had noted the change and reset our settings. We had been tracking sleep events on the device ourselves and they hadn't changed (still ~1 per hour while using, the same as the original pressure setting) so there was zero reason for them to do this.
2. After she gave birth, her sleep apnea essentially disappeared (at it's worst it was ~40 events an hour, 3 weeks after birth it was essentially just light snoring again). Did not matter at all - They insisted she use the machine still. Called repeatedly and harassed us.
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It took written revocation of their rights to treat us, and then the threat of a lawsuit before the calls stopped.
This needs to be illegal - NOW.