The 30-Second Test That Could Save Your Heart Cardiac Problems sometimes progress quietly, but this easy 30-second self-assessment can give you a lifesaving warning. In simple terms, it’s a quick way to see how your heart rate reacts to mild effort. This 30-Second Heart Test isn’t a diagnosis, yet it https://www.tumblr.com/dramitpatil/799125220035313664/the-30-second-test-that-could-save-your-heart?source=share