POTS: Why It's Not About Your Heart Rate

It is slightly too long for a podcast episode description. The content is good, but I’d tighten it so someone can understand the episode quickly without feeling like they have already consumed it. If your heart races every time you stand—but your cardiac testing keeps coming back normal—the heart may not be the real problem. POTS is diagnosed by changes in heart rate, but research suggests that the heart-rate increase may be a response to something happening earlier: an excessive drop in cere...