How to protect your heart during cold weather snap

An ambulance drives down Cherrywood Road in Austin in February 2021. Cold weather can have a dramatic impact on your heart.

We might think of classic images of a person shoveling snow and having a heart attack, but it’s not just the physical exertion that increases rates of heart and blood-related events in the winter.

Actual air temperatures and swings in those temperatures, as a 2018 study in Sweden confirmed, have a lot to do with why more heart attacks, heart failure, strokes, aneurysms and atrial fibrillation events happen in winter.

What happens to your heart in winter?

Dr. Vivek Goswami, a cardiologist with Heart Hospital of Austin and Austin Heart, explained last year that cold weather causes muscles to constrict.


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