When he did it, did he get the blood from the same place (one "stick" with the lancet for all four readings?) When you test blood sugar, one should wipe away the first drop of blood and take the reading with the second drop to get rid of the initial "capillary" blood which may not have an accurate amount of blood sugar. If he used blood from one area, it is because subsquent readings were the "true" readings as he got rid of the capillary blood. If the readings were from different sites and he used the first drop instead of wiping away the first drop and taking the reading with the second one, he was getting varying reading because capillary blood doesnt give you an accurate reading. You will get varying readings but not more than 10 points when done correctly. Make sure the machine is calibrated, that the strips are not expired or exposed to light/air/moisture etc. and always wipe away alcohol from swab with clean cotton then stick with the lancet, wait for a drop of blood squeezing very gently as needed, wipe away the initial drop with cotton not alcohol swab (alcohol can affect the readings) and take the reading with the second drop for the most accurate reading.
First, be sure it is taken before eating. Be very careful about snacking randomly because that won't give your system time to adjust from the last round.
Be sure you go to the diabetic nurse teaching session to learn the proper way to test, when or when not to treat, and what to avoid or change to make him more healthy and all of this a lot easier. Every member of your immediate family ought to learn how to treat low blood sugar and high blood sugar. If he sweats and feels faint, don't wait to see if the gets better. He may need something right away so test.
It starts out complicated sounding, but just like learning to drive a car, it becomes quite simple once you know how one thing flows into the next. It will become second nature and I so hope he will be doing well. Watch him as he loses weight if he needs to do so and starts exercise for sudden low sugars. Have that packet of sugar, tablets or even mentos along with the meter and insulin wherever he goes. You will learn how his body reacts to things. It will become second nature within a month or two. Wishing him the best.
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