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[[Image:Nadir_peak.JPG|thumb|left|300px|Illustration of blood glucose curve noting blood glucose nadir occurs at the same time as insulin peak effect.]][[Image:Good_reg_insulin.JPG|thumb|right|300px|In this example of a 24 hour blood glucose curve, you can see that the nadir for insulin given in the morning is at 6 hours after it's been injected. At the 12th hour after the first injection, it's time to give the evening insulin injection, and you see the nadir from the second, evening injection at 18 hours after the time the first insulin injection of the morning was given.]]
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[[Image:Good_reg_insulin.JPG|thumb|right|250px|In this example of a 24 hour blood glucose curve, you can see that the nadir for insulin given in the morning is at 6 hours after it's been injected. At the 12th hour after the first injection, it's time to give the evening insulin injection, and you see the nadir from the second, evening injection at 18 hours after the time the first insulin injection of the morning was given.]]
 
 
The lowest point on a [[blood glucose guidelines|blood glucose]] [[curve]], often considered the same as the [[peak]] of insulin activity.
 
The lowest point on a [[blood glucose guidelines|blood glucose]] [[curve]], often considered the same as the [[peak]] of insulin activity.
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  +
The term "peak" always refers to insulin action, while "nadir" always refers to blood glucose levels.
  +
  +
At the time the insulin is at peak, it's exerting the maximum effect on blood glucose levels.
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  +
<br clear=both>
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This produces the nadir, or lowest point of blood glucose levels-both happen at the same time. When the insulin is peaking (working hardest), it's bringing the blood glucose levels down to their lowest point, or nadir. When insulin levels are high, blood glucose levels are low and vice-versa. <ref name=Bruyette>{{cite web|url=http://www.vetstreamcanis.com/ACI/September/VMD2/fre00736.asp|author=Bruyette, David|title=Blood glucose curve: interpretation|publisher=VetStream Canis}}</ref>
   
 
Looking at time activity profiles for insulin, they illustrate when and how the insulin is working. What's high or low on an insulin time activity graph usually means the opposite when considering the effect it has on blood glucose levels. When the insulin is shown on them as peaking--working hardest--this is when the blood glucose levels are at their lowest point, or nadir.
 
Looking at time activity profiles for insulin, they illustrate when and how the insulin is working. What's high or low on an insulin time activity graph usually means the opposite when considering the effect it has on blood glucose levels. When the insulin is shown on them as peaking--working hardest--this is when the blood glucose levels are at their lowest point, or nadir.
   
  +
Generally, blood glucose nadirs in the evening (post-evening insulin injection) are higher than those following the moring insulin injection. There is less activity in the evening as a rule; normal activity can help lower blood glucose. <ref name=Bruyette>{{cite web|url=http://www.vetstreamcanis.com/ACI/September/VMD2/fre00736.asp|author=Bruyette, David|title=Blood glucose curve: interpretation|publisher=VetStream Canis}}</ref>
Some UK medical websites<ref>[http://www.fabcats.org/owners/diabetes/info.html Fabcats-Managing the Diabetic Cat]</ref> speak of this as the trough glucose measurement. [[Image:I16.gif]]
 
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Some UK medical websites <ref>{{Cite web|url=http://www.fabcats.org/owners/diabetes/info.html|title=Managing the Diabetic Cat|publisher=Fabcats}}</ref> speak of this as the trough <ref name=Bruyette>{{cite web|url=http://www.vetstreamcanis.com/ACI/September/VMD2/fre00736.asp|author=Bruyette, David|title=Blood glucose curve: interpretation|publisher=VetStream Canis}}</ref> glucose measurement. [[Image:I16.gif]]
   
 
==References==
 
==References==
  +
{{Reflist}}
<references/>
 
 
[[Category:Terms]]
 
[[Category:Terms]]
 
[[Category:Regulation]]
 
[[Category:Regulation]]

Latest revision as of 23:23, 23 May 2012

Nadir peak

Illustration of blood glucose curve noting blood glucose nadir occurs at the same time as insulin peak effect.

Good reg insulin

In this example of a 24 hour blood glucose curve, you can see that the nadir for insulin given in the morning is at 6 hours after it's been injected. At the 12th hour after the first injection, it's time to give the evening insulin injection, and you see the nadir from the second, evening injection at 18 hours after the time the first insulin injection of the morning was given.

The lowest point on a blood glucose curve, often considered the same as the peak of insulin activity.

The term "peak" always refers to insulin action, while "nadir" always refers to blood glucose levels.

At the time the insulin is at peak, it's exerting the maximum effect on blood glucose levels.


This produces the nadir, or lowest point of blood glucose levels-both happen at the same time. When the insulin is peaking (working hardest), it's bringing the blood glucose levels down to their lowest point, or nadir. When insulin levels are high, blood glucose levels are low and vice-versa. [1]

Looking at time activity profiles for insulin, they illustrate when and how the insulin is working. What's high or low on an insulin time activity graph usually means the opposite when considering the effect it has on blood glucose levels. When the insulin is shown on them as peaking--working hardest--this is when the blood glucose levels are at their lowest point, or nadir.

Generally, blood glucose nadirs in the evening (post-evening insulin injection) are higher than those following the moring insulin injection. There is less activity in the evening as a rule; normal activity can help lower blood glucose. [1]

Some UK medical websites [2] speak of this as the trough [1] glucose measurement. I16

References[]

  1. 1.0 1.1 1.2 Bruyette, David. Blood glucose curve: interpretation. VetStream Canis.
  2. Managing the Diabetic Cat. Fabcats.