CDCES Diabetes Technology and Devices Flashcards

What is the main advantage of a flash glucose monitoring (FGM) system compared to traditional self-monitoring of blood glucose (SMBG)?

Answer: It allows glucose data to be scanned on demand without routine fingersticks

Flash glucose monitoring (e.g., FreeStyle Libre) stores glucose data continuously and allows users to scan the sensor on demand to view current and trend glucose data without routine fingersticks.

A CDCES is reviewing a patient's ambulatory glucose profile (AGP). The report shows time above range (TAR) of 45%. Which interpretation is correct?

Answer: The patient spends too much time above 180 mg/dL, exceeding the recommended TAR of less than 25%

The ADA recommends Time Above Range (>180 mg/dL) be kept below 25%; a TAR of 45% indicates significant hyperglycemia burden requiring intervention.

Which statement about smart insulin pens is accurate?

Answer: Smart pens track the dose, time, and type of insulin injected and can sync with apps

Smart insulin pens record dose amount, timing, and insulin type, syncing this data to smartphone apps to help patients and clinicians track injection history and calculate dose recommendations.

What is 'insulin on board' (IOB) in the context of insulin pump therapy?

Answer: The amount of active rapid-acting insulin remaining from previous bolus doses

Insulin on Board (IOB) refers to the estimated amount of active bolus insulin still working in the body from previous doses, used to prevent dose stacking and hypoglycemia.

What should a CDCES teach a patient about CGM sensor placement regarding MRI procedures?

Answer: CGM sensors and transmitters must be removed before MRI scanning

CGM sensors and transmitters must be removed before MRI, CT, or X-ray procedures as the electromagnetic fields can damage the device and cause inaccurate readings or injury.

Which factor most commonly causes inaccurate high glucose readings on a CGM sensor in a hospitalized patient?

Answer: High-dose acetaminophen or interference from intravenous medications

In hospitalized patients, high-dose acetaminophen and certain IV medications can interfere with CGM electrochemistry, causing falsely elevated glucose readings.