Hypoglycaemia has several adverse CV effects such as adrenergic activation, tachycardia, excessive compensatory vagal activation, bradycardia, myocardial ischaemia, hypokalaemia, and QT interval prolongation, all potentially leading to lethal arrhythmias.12, 27, 28 Insulin‐treated patients also have more adverse cardiac remodelling. Here, INS is linked to Hypokalemia.