advertisement
 

  Back to Ask the Diabetes Team Ask the Diabetes Team
Question:

From Reisterstown, Maryland, USA:

We have a seven year old grandson who has had diabetes since the age of 18 months. Within the last two weeks, we have switched his glucose monitor from Meter "W" to meter "P". We understand that meter "P" reads the blood plasma and not the whole blood as does meter "W" and is closer to lab readings. We have also noticed dramatic changes in the readings (much, much lower), 25-35 mg/dl [1.4-1.9 mmol/L], and he's showing no signs of being low. Could this be the machine or because it's reading the plasma vs. whole blood? We have taken readings from both machines and on meter "W" he may be 57 mg/dl [3.2 mmol/L] and on meter "P" 35 mg/dl [1.9 mmol/L]. We're having trouble making insulin adjustments because of the drastic number changes in glucose readings. Any suggestions?

Answer:

There are meters with this sort of problem, with individual meters sometimes reading too high as well as too low. It is acceptable for plasma [also called serum] levels to be 6% lower than whole blood, but 40% low is much too large a difference. My advice to this family would be to return their meter until these difficulties are solved.

DOB

DTQ-20000219122824
Original posting 25 Aug 2000
Posted to Blood Tests and Insulin Injections

  
advertisement


                 
  Home Return to Top

Last Updated: Tuesday April 06, 2010 15:09:12
This Internet site provides information of a general nature and is designed for educational purposes only. If you have any concerns about your own health or the health of your child, you should always consult with a physician or other health care professional.

This site is published by T-1 Today, Inc. (d/b/a Children with Diabetes), a 501c3 not-for-profit organization, which is responsible for its contents.
By using this site, you agree to our Terms of Use, Legal Notice, and Privacy Policy.
© Children with Diabetes, Inc. 1995-2015. Comments and Feedback.