The duration of diabetes, and fasting blood sugar values were significantly higher in patients with diabetes with severe CAN. Prolongation of QTC interval correlates well with degree of cardiac autonomic neuropathy in diabetics. QTC prolongation may be considered as pointer towards diabetic cardiac autonomic neuropathy in the busy outpatient setting where it is not possible to perform the conventional battery of tests. Recognition of QTC prolongation may help identify diabetics with a high risk of sudden cardiac death. Trying to manage diabetes is hard because if you don't, there are...