Mayo Clinic Q&A: How Does Dehydration Affect the Heart?

Mayo Clinic Q&A: How does dehydration affect the heart?

DEAR MAYO CLINIC: My neighbor spends a lot of time outdoors gardening and doing yard work, especially during the summer. Recently, after working outside on a hot day, she became lightheaded and noticed her heart racing. She suspected dehydration was…

Dehydration can cause more than thirst: Expert explains how it can affect the heart

Dehydration can affect much more than your thirst. It also can place extra stress on your heart and cardiovascular system, explains Dr. Brodie Marthaler, a cardiologist at Mayo Clinic Health System in Eau Claire.