What is atrial fibrillation and how is it treated?

By MIKE STOBBE

NEW YORK (AP) — Daniel Moore was about 30 the first time it happened. At the end of a long, hot, stressful day, he chugged an ice-cold glass of milk.

“It felt like a bunny rabbit trying to jump out of my chest,” said Moore, now 60.

Moore, a radiologist, knew what it was: A-fib.

Dr. Daniel Moore poses for The Associated Press with his dogs Nani, left, and Gracie Feb. 2, 2026, in Coppell, Texas. (AP Photo/Julio Cortez)

Short for atrial fibrillation, A-fib...