Ben Lovejoy
CNET senior video producer and diabetic Justin Eastzer says that a
combination of a continuous glucose monitor (GCM) and his Apple Watch saved
his life.
The CGM detected dangerously low blood sugar, and his Apple Watch woke him
with an alert, just in time .
Apple Watch saved life of videographer
Eastzer describes what happened.
block quote
I have type 1 diabetes and I wear a continuous glucose monitor (CGM) which
measures my blood sugar levels. If my blood sugar gets dangerously low, I
can pass out or into a diabetic coma. Luckily, my CGM connects to my watch
and sends notifications before it's too late. This feature saved my life a
few months ago.
I woke up to a dangerously low blood sugar warning on my Apple Watch. I ran
to the fridge, grabbed some orange juice, drank it and then passed out.
I woke up a few minutes later because my sugar levels went back to normal.
That was one of the scariest moments of my life, and thanks to my Apple
Watch alerts, I was able to address the low blood sugar before it was too
late.
block quote end
Unlike conventional glucose monitors, which rely on the user taking blood
drop samples at regular intervals, a CGM attaches to the skin and is left in
place to take continuous readings. This data is sent to a companion app on a
smartphone or smartwatch, and can be triggered to sound an alarm if the
reading is too high or too low.
Apple working on built-in monitoring
Currently, CGM relies on a separate device, but one of the most persistent
of Apple Watch reports is that Apple is working on a way to integrate this
functionality into the watch itself.
Specifically, the company is said to be working on a way to do this
non-invasively - that is, without the need to puncture the skin. This has
been described as the holy grail for diabetics.
Apple is reported to have been working on this since 2012.
From a 2017 report:
block quote
Such an initiative was first imagined by Steve Jobs and Apple has been
working on it for five years. Jobs imagined the solution being integrated
into a wearable device, such as the Apple Watch [.]
The report, citing three people familiar with the matter, explains that
Apple has hired a "small team" of biomedical engineers to work on the
initiative.
The team is said to be based out of an unmarked, nondescript office in Palo
Alto, California.
The initiative sees Apple working on developing sensors that can constantly
monitor blood sugar levels to better treat diabetes. While specific timeline
information is unclear, the company is reportedly far enough along in it's
testing that it has been conducting feasibility trials.
block quote end
If you're wondering why we still haven't seen this come to market a decade
later, that's because this stuff is hard - really hard.
block quote
Accurately detecting glucose levels [non-invasively] has been such a
challenge that one of the top experts in the space, John L. Smith, described
it as "the most difficult technical challenge I have encountered in my
career."
To succeed would cost a company "several hundred millions or even a billion
dollars," DexCom executive chairman Terrance Gregg previously told Reuters.
block quote end
A report in Nature last year suggested a potential alternative approach.
This would require a separate product, but this would be a battery-free
transceiver that could be permanently left in place on the skin, while an
Apple Watch provides wireless power.
There have been numerous reports of someone's Apple Watch saving their life
in a wide range of scenarios.
These range from detecting aFib through emergency alerts after a fall to
allowing trapped people to use Siri to call emergency services.
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