The 30-Second Test That Could Save Your Heart 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. This home screening doesn’t replace a doctor’s exam, yet it gives an https://www.diigo.com/item/note/b1gr9/gsc9?k=2d36111f46e8e9c6b1de7b312c26c0aa