Harjeet Singh: If these negotiations do not help countries to deal with the real impacts of climate change, and only prioritize emission targets, they will have failed the very people this agreement is meant to protect.
Blood tests. When your heart muscle has been damaged, as in a heart attack, your body releases substances in your blood. Blood tests can measure the levels of these substances and show if, and how much of, your heart has been damaged. The most common test after a heart attack checks levels of troponin in your blood.
1 Echocardiogram (EKG or ECG): Also known as a cardiac echo, this test uses sound waves to take pictures of your heart.  Holter monitor: This monitor is worn for at least 24 hours while you go about your normal activities. It allows your doctor to track changes in your heartâs rhythm throughout the day.