article_snippet: A 21-year-old woman has regular brushes with death and in one year was pronounced clinically dead 36 times.
article_snippet: Symptoms are associated with an increase in heart rate from the lying to upright position of greater than 30 beats per minute, or a heart rate of greater than 120 beats per minute within 10 minutes of standing.
highlights_snippet: The 21-year-old has regular brushes with death due to rare heart condition .
  
highlights_snippet: Condition means Condition has palpitations that cause Condition heart to stop beating .
  