Expert joins international call for new approach to diagnosing, managing condition known as POTS
For people living with postural orthostatic tachycardia syndrome, or POTS, the simple act of standing up can cause a cascade of symptoms: a racing heart, lightheadedness, brain fog, shakiness and exhaustion. Yet a standard cardiac test may appear completely normal.

<p>For people living with postural orthostatic tachycardia syndrome, or POTS, the simple act of standing up can cause a cascade of symptoms: a racing heart, lightheadedness, brain fog, shakiness and exhaustion. Yet a standard cardiac test may appear completely normal.</p>