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Freestyle Libre 2 - changing sensor - need help
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<blockquote data-quote="sgm14" data-source="post: 2503928" data-attributes="member: 517358"><p>Re 1 and 2</p><p>I scan the old sensor right up until it says 'Sensor as ended' which is on the 14th day at which point it can be removed. </p><p>Then I scan the new sensor but it will take one hour before it will return the first result.</p><p></p><p>You can't have two sensors active at the same time, so if you scan the new one before the old one has finished, it will ask you if you want to end the old sensor and start a new one which is obviously wasting some time on the old sensor.</p><p></p><p></p><p>3</p><p>The recommendation to set the alarm to 4.4 is usually to give you time to treat and avoid a real hypo, rather than waiting until you have gone hypo. The problem with the false hypos at night is caused by sleeping on the sensor and is called a 'compression low'. Setting the alarm to 3.9 will probably not avoid this, but just delay it a little longer. </p><p></p><p>It would probably be better to try to avoid sleeping on the arm that contains the sensor if that is possible. </p><p></p><p>4</p><p>How often are you scanning?</p><p></p><p>The arrow is not showing you how your blood glucose has changed since the last scan, but the direction it thinks your blood glucose is moving in at the time of the scan. So it is quite possible for you to scan 15 minutes apart and your figures to have changed significantly, but for the sensor to conclude that the rise or fall has finished and things have steadied off. </p><p></p><p></p><p>5</p><p>I wasn't told to continue the finger pricks, except to confirm results before treating either a high or low, but your diabetic team may want to know this information to compare with the libre to see how accurate the libre is for you. If your libre is giving reasonably accurate results, then I would suggest contacting your diabetic team to see if they are happy for you to stop.</p><p></p><p>6</p><p>I'm afraid I don't know anything about My Life, so I can't answer this. </p><p></p><p>7 </p><p>This is a little complicated.</p><p>If you activate or start a sensor on the reader, you get alarms on the reader, but you can also scan using your phone (assuming it has NFC) but you can not get alarms on the phone,</p><p>If you activate or start a sensor on your phone, you can only scan using the phone and the reader can not be used at all.</p><p></p><p>If you were able to scan/pair using the phone, then it obviously supports NFC, but perhaps not bluetooth which is what the alarms use.</p></blockquote><p></p>
[QUOTE="sgm14, post: 2503928, member: 517358"] Re 1 and 2 I scan the old sensor right up until it says 'Sensor as ended' which is on the 14th day at which point it can be removed. Then I scan the new sensor but it will take one hour before it will return the first result. You can't have two sensors active at the same time, so if you scan the new one before the old one has finished, it will ask you if you want to end the old sensor and start a new one which is obviously wasting some time on the old sensor. 3 The recommendation to set the alarm to 4.4 is usually to give you time to treat and avoid a real hypo, rather than waiting until you have gone hypo. The problem with the false hypos at night is caused by sleeping on the sensor and is called a 'compression low'. Setting the alarm to 3.9 will probably not avoid this, but just delay it a little longer. It would probably be better to try to avoid sleeping on the arm that contains the sensor if that is possible. 4 How often are you scanning? The arrow is not showing you how your blood glucose has changed since the last scan, but the direction it thinks your blood glucose is moving in at the time of the scan. So it is quite possible for you to scan 15 minutes apart and your figures to have changed significantly, but for the sensor to conclude that the rise or fall has finished and things have steadied off. 5 I wasn't told to continue the finger pricks, except to confirm results before treating either a high or low, but your diabetic team may want to know this information to compare with the libre to see how accurate the libre is for you. If your libre is giving reasonably accurate results, then I would suggest contacting your diabetic team to see if they are happy for you to stop. 6 I'm afraid I don't know anything about My Life, so I can't answer this. 7 This is a little complicated. If you activate or start a sensor on the reader, you get alarms on the reader, but you can also scan using your phone (assuming it has NFC) but you can not get alarms on the phone, If you activate or start a sensor on your phone, you can only scan using the phone and the reader can not be used at all. If you were able to scan/pair using the phone, then it obviously supports NFC, but perhaps not bluetooth which is what the alarms use. [/QUOTE]
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