![]() Stable angina occurs during activity or emotional stress, whereas unstable angina typically happens while at rest. Health experts classify angina in two categories: stable angina and unstable angina. When the heart's demand for blood flow increases (due to exertion or emotional stress) in someone with restricted blood supply to the heart, that person may experience angina symptoms, including squeezing, burning, tightness or a sensation of pressure in the chest. Angina occurs when the amount of blood flowing to the heart muscle can't meet the heart's demand for blood.īlood supply to the heart muscle is typically reduced by atherosclerosis, the build-up of fatty plaque in the arteries that supply the heart.A heart attack occurs when the blood flow to a part of the heart is suddenly and completely cut off, usually by a blood clot.Actually, angina is the medical term for chest pain, pressure or tightness - but it's not the same as a heart attack. ![]() Your doctor may use the word "angina" or "angina pectoris," when discussing your chest pain. So we spoke to interventional cardiologist Gary Schaer, MD, from RUSH who shared five things everyone should know about chest pain. The truth is, it's not easy to tell what's behind your chest pain and whether the cause is life-threatening or just a nuisance. Or maybe you were absolutely positive your chest pain was just heartburn, but it turned out to be a heart attack after all. Have you ever felt a sharp pain in your chest and were convinced you were having a heart attack? Maybe you even went to the emergency room or called your doctor only to find out that your "heart attack" was actually a strained muscle.
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