POTS: Causes, Symptoms, Diagnosis & Treatment – Cleveland Clinic

Postural orthostatic tachycardia syndrome (POTS) is a condition that causes a number of symptoms when you transition from lying down to standing up, such as a fast heart rate, dizziness and fatigue. While there’s no cure, several treatments and lifestyle changes can help manage the symptoms of POTS.

https://my.clevelandclinic.org/health/diseases/16560-postural-orthostatic-tachycardia-syndrome-pots