Abbott FreeStyle Libre 2 Manual - Halaman 9

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If I did a finger-prick test, would the results

match my sensor reading?

It's important to remember that FreeStyle Libre 2 replaces blood

glucose monitoring,

differently. Because of the lag between blood glucose and sensor

glucose, your sensor reading may not always match a finger-prick

reading at a given moment. This example illustrates why:

Sensor (ISF) glucose

Blood glucose

Glucose levels

6.5

6.9

mmol/L

When glucose

level is stable,

sensor readings

and blood

glucose readings

are similar

Data collected with the FreeStyle Libre system. The FreeStyle Libre 2 system has the same features as the FreeStyle Libre system but with optional real-time glucose alarms. Therefore, study data are applicable to both products.

* Finger pricks are required if readings do not match symptoms or expectations.

† It can take a few minutes for glucose to move from the blood into the ISF.

References: 1 Haak T, Hanaire H, Ajjan R, Hermanns N, Riveline JP, Rayman G. Flash glucose-sensing technology as a replacement for blood glucose monitoring for the management of insulin-treated type 2 diabetes: a multicenter,

open-label randomized controlled trial. Diabetes Ther. 2017;8(1):55-73. 2. Alva S, Bailey T, Brazg R, et al. Accuracy of a 14-day factory-calibrated continuous glucose monitoring system with advanced algorithm in pediatric and adult

population with diabetes. J Diabetes Sci Technol. 2020;1932296820958754.

* and the two methods measure glucose

9.0

mmol/dL

7.2

mmol/L

When glucose level is

trending up,

the

readings may be lower than

blood glucose readings

9.4

mmol/L

7.8

mmol/L

When glucose level is

trending down,

the sensor

readings may be higher than

blood glucose readings

TIPS TO REMEMBER

It's normal if your sensor

readings are different

from your blood glucose

readings in certain

situations (such as after

meals, insulin, or exercise)

No confirmatory finger

pricks required, even when

glucose is low, falling, or

rapidly changing*

the sensor

2,†