In 2019, Karina Drury was diagnosed with postural orthostatic tachycardia syndrome (POTS). According to the Cleveland Clinic, POTS is a chronic condition that causes an abnormally large increase in heart rate when standing or sitting up, which often leads to fainting episodes that typically last about 10 seconds.
https://people.com/woman-21-who-fainted-over-1000-times-is-sharing-how-…