Cold exposure doesn’t just make you shiver; it increases heart workload and can raise the risk of arrhythmias or ischemia in vulnerable individuals. An ECG may pick up early electrical changes linked to low temperatures or added exertion. This article would guide readers through how and why ECG readings can shift in winter and offer common-sense tips to support heart function year-round. https://sunfox.in/blogs/how-does-cold-weather-affects-your-heart/