Understanding POTS: When Standing Makes Your Heart Race

Posted by: Tampa Cardio

On: October 29, 2025

If you’ve ever felt lightheaded, dizzy, or experienced a racing heartbeat when standing up, you might have heard of Postural Orthostatic Tachycardia Syndrome (POTS) — a condition that affects how your body regulates blood flow and heart rate. POTS occurs when your heart rate increases abnormally upon standing, often leading to fatigue, “brain fog,” and