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Second OGTT after 5 years
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<blockquote data-quote="Bluetit1802" data-source="post: 1457101" data-attributes="member: 94045"><p>There is a very good reason for his request that she eats normal carbs for a few days. It is known as the last meal effect. Someone on a low carb diet would very likely fail an OGGT simply because on drinking the glucose drink the pancreas goes into shock. It has been used to producing very little insulin for a long time and will only produce the amount it is used to producing, so when suddenly hit with all that glucose there is insufficient insulin to cover it and the spike will be huge. If the test is to be accurate, this last meal effect has to be removed first, and that can only be done by eating a lot of carbs beforehand.</p><p></p><p>The problem Ann has is she WANTS to fail the test!</p></blockquote><p></p>
[QUOTE="Bluetit1802, post: 1457101, member: 94045"] There is a very good reason for his request that she eats normal carbs for a few days. It is known as the last meal effect. Someone on a low carb diet would very likely fail an OGGT simply because on drinking the glucose drink the pancreas goes into shock. It has been used to producing very little insulin for a long time and will only produce the amount it is used to producing, so when suddenly hit with all that glucose there is insufficient insulin to cover it and the spike will be huge. If the test is to be accurate, this last meal effect has to be removed first, and that can only be done by eating a lot of carbs beforehand. The problem Ann has is she WANTS to fail the test! [/QUOTE]
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