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Introduction. Atrial fibrillation is an irregular heartbeat that accelerates to form blood clots in the chambers of the heart and leads to stroke, heart failure, and other cardiovascular complications. Diabetes mellitus itself has been identified as a risk factor for atrial fibrillation, but the association between them is unclear. Material and methods. We analyzed 70 patients with type 2 insulin non-dependent diabetes mellitus. All patients were examined in parallel continuous glucose (CGM) and ECG for 14 days. The study population divided into documented atrial fibrillation (AF group, n = 16) and without atrial fibrillation (non-AF group, n = 54) groups. We assessed the relationship between hypoglycemia, fasting plasma insulin, insulin resistance using the homeostatic model assessment (HOMA-IR) equation, and the incidence of atrial fibrillation. Results. We found a total of 46 episodes of documented atrial fibrillation (AF be defined as an arrhythmia lasting ≥ 30 seconds) lasted on the whole 596.9 minute, which was the most significant by the number (2.87 ± 2.05 per patient, p 3 PACs (p = 0.0007). Over 14 days, a total of 263 hypoglycemic episodes or 5135 min hypoglycemic time were detected, the average number and time of hypoglycemic episodes were 8.0 ± 4.94 per person and 137.0 ± 63.17 min in AF group, and 2.5 ± 4.64 per person (p = 0.0001), 54.5 ± 67.3 min (p = 0.004) in the non-AF group. There was a statistically significant (p |
