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Type 1 diabetes mellitus

Flowchart for investigation of suspected type 1 diabetes in adults, based on data from white European populations. No single clinical feature in isolation confirms type 1 diabetes. The most discriminative feature is younger age at diagnosis (<35 years), with lower body mass index (<25), unintentional weight loss, ketoacidosis, and glucose >360 mg/dL (>20 mmol/L) at presentation

From American Diabetes Association, Diabetes Care 2021;44:2589-625; used with permission

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Type 1 diabetes mellitus

The continuous glucose monitor senses interstitial glucose concentrations and sends the information via Bluetooth to a control algorithm hosted on an insulin pump (or smartphone). The algorithm calculates the amount of insulin required, and the insulin pump delivers rapid acting insulin subcutaneously

Subramanian S, et al. BMJ 2024; 384: e075681; used with permission

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