Point of care testing occurs at or near the site of patient care and is accomplished through the use of transportable, portable, and handheld instruments. The accuracy of glucose devices can be influenced by biochemical changes that commonly occur in critically ill hospital patients and by the medication prescribed. That’s the thinking behind a new technology called Dario, a blood sugar monitoring device—complete with lancet and testing strips—that attaches to smartphones. Lancing devices also are sold separately, however. If you then use this falsely elevated result to determine your dose of insulin, you could give yourself too much insulin, which could result in dangerously low blood glucose. Prepare your lancing device and prick the side of your finger tip. If you use several test strips and lancets a day, be sure to research the cost of the specific products that work with each glucometer before you choose one model over another.
Blood glucose testing has come a long