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 lets you observe whether your heart rate and recovery look normal after activity. The 30-Second Heart Check isn’t a medical test in itself, though https://sites.google.com/view/best-cardiologist-in-chembur/blog/the-30-second-test-that-could-save-your-heart