Abstract: Among the techniques described herein is a method that includes obtaining data indicating electrocardiogram results from a human. A plurality of beats represented in the electrocardiogram results can be identified. For each beat in the plurality of beats represented in the electrocardiogram results, a value for a first feature of the beat can be determined. Statistical analysis can be performed on the values for the first feature of the plurality of beats. An indication of the level of the analyte within the human can be generated based on a result of the statistical analysis performed on the values for the first feature of the plurality of beats. The indication of the level of the analyte within the human can be provided.

Abstract: This document describes, among other things, a computer-implemented method that includes accessing, by a computer system, electrogram data for a patient, wherein the electrogram data is obtained using one or more leads that sense physiological electrical activity of the patient. The computer system can identify one or more waveform features from the electrogram data, and one or more correlations between values of the one or more waveform features and analyte levels. One or more estimated analyte levels in the patient are determined based on 1) the one or more waveform features identified from the electrogram data and 2) the one or more correlations. The computer system can output information related to the one or more estimated analyte levels.