One initial treatment is a cardioversion, which involves using a defibrillator to deliver an electric shock to the heart to restore rhythm. It’s often successful, but sometimes only temporarily.

Adopted from London’s Battersea Dogs and Cats Home by then-Prime Minister David Cameron, Larry entered Downing Street on Feb. 15, 2011. According to a profile on the U.K. government website, his ...

Greenwich’s dog-friendly eating spot River Gardens Café is loved by Tripadvisor reviewers.