A Quick 30-Second Test That Might Save Your Life Cardiac Problems sometimes progress quietly, but a short self-check can alert you early. In simple terms, it helps you notice how your pulse changes with light exertion. This home screening doesn’t replace a doctor’s exam, yet it gives an early clue https://share.evernote.com/note/4768a240-fc70-380c-4d35-0ea36c97e5b0