How important is screen shape in a continuous glucose monitor?

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William Lee Dubois
Endocrinology Diabetes & Metabolism
Some CGMs have square screens, and some have rectangular screens. It really doesn’t matter in the long run, but CGM “traces,” the visual depiction of blood sugar data and context over time, displayed on a rectangle look very different from the same trace data displayed on a square.

Squares tend to make smaller changes look more significant than they look on rectangles; or if you prefer, rectangles tend to minimize changes in blood sugar traces compared to squares. Either way, you’ll get used to whatever you live with.

That said, which format you have will affect which graphs you’ll find most useful. A square 3-hour display is pretty handy. A rectangular 3-hour display will always look flat unless the shit has really hit the fan. At the same time, a six hour graph on a rectangle is pretty sweet while changes in six-hour blood sugar on a square screen look more severe than they are.
Beyond Fingersticks: The art of control with continuous glucose monitoring

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Beyond Fingersticks: The art of control with continuous glucose monitoring

Everything you ever wanted to know about CGM (but didn’t know to ask)!Continuous Glucose Monitoring (CGM), the revolutionary technology that’s poised to completely change diabetes care, gives you...

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Diabetes

Diabetes mellitus (MEL-ih-tus), often referred to as diabetes, is characterized by high blood glucose (sugar) levels that result from the body’s inability to produce enough insulin and/or effectively utilize the insulin. Diabetes ...

is a serious, life-long condition and the sixth leading cause of death in the United States. Diabetes is a disorder of metabolism (the body's way of digesting food and converting it into energy). There are three forms of diabetes. Type 1 diabetes is an autoimmune disease that accounts for five- to 10-percent of all diagnosed cases of diabetes. Type 2 diabetes may account for 90- to 95-percent of all diagnosed cases. The third type of diabetes occurs in pregnancy and is referred to as gestational diabetes. Left untreated, gestational diabetes can cause health issues for pregnant women and their babies. People with diabetes can take preventive steps to control this disease and decrease the risk of further complications.
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