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Message: <blockquote data-quote="LittleSue" data-source="post: 45119" data-attributes="member: 6295">There are various types.  Some display the reading, some don't (download to computer afterwards to see trends).  Important to remember they read the level in your interstitial fluid, not your blood, so there's a delay of 10-15 minutes in results compared to fingerstick readings.  Hence you can't rely on them to show you a hypo as it happens - but on some you can set an alarm for when bs reaches a particular level or combination of level and speed of decrease, so you could set the alarm with a safety margin and check with a fingerstick when the alarm went off.   Older ones check your levels every 5 mins, a newer one does it every 2 mins.  Some have wireless transmitters for convenience of positioning sensor and display.I was loaned one of the non-display types on loan about 3 yrs ago, but the newer ones look much better.From websites I had the impression they cost about £60 but the nurses tell me that's for each sensor and the device itself is around £2,500.  I do wonder if that's the truth or they're just trying to put me off buying my own.I recently asked about borrowing one for a few weeks to observe the variations in my overnight basal requirements through my menstrual cycle.  Seemed the perfect application, to learn what needs to change and when without waking myself up several times a night on consecutive work nights.   Apart from "we can't spare one that long" and "its too expensive", their other response was that would make me "too reactive". I thought the idea was to see trends and adjust (react) accordingly - but apparently not?  I can just have the CGMS for 3 days, whenever my name comes top of the list.  Watch my lips, my dose needs to vary through the month and I'm trying to find out when and by how much - a random 3-day trace won't tell me about the rest of the month.  The need is there.  The tools are there.  How the @*%*@ one is supposed to get control without putting the two together I do not know.Sorry, rant over.  Hope at least some of the above is useful. But don't get your hopes up.</blockquote>

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