Maureen Hatcher collapsed in her St. Augustine home Dec. 3. A clot cut off the blood flow to the right side of her brain, which meant the clock was ticking to prevent permanent brain damage: https://www.firstcoastnews.com/article/news/local/loyal-dogs-rescue-owner-after-stroke-ring-camera-captures-it-all/77-a82346a1-b9fd-4492-944d-b35f0fadd9da