how can you tell from a blood test if you have had a heart attack
For example, high levels of bad cholesterol in your blood can be a sign that you're at increased risk of having a heart attack. And other substances in your blood can help your doctor determine if you have heart failure or are at risk of developing plaques in your arteries (atherosclerosis). cholesterol test, also called a lipid panel or lipid profile, measures the fats (lipids) in your blood. The measurements can indicate your risk of having a heart attack or other heart disease. The test typically includes measurements of: 1  Total cholesterol.