PORTLAND, ME – SEPTEMBER 21: Dr. Jay Paul watches a transesophageal echo ultrasoun of patient Paul Rice’s heart as Rice undergoes a procedure at Maine Medical Center in Portland on Thursday, September 21, 2017 in which doctors inserted a device in his heart to alleviate his risk of stroke. Powers helps to guide doctors Andrew Corsello and Samip Vasaiwala through parts of the Watchman implant procedure they were performing on Rice. (Staff Photo by Gregory Rec/Portland Press Herald via Getty Images)