A heart attack does not always have obvious symptoms, such as pain in your chest, shortness of breath and cold sweats. In fact, a heart attack can actually happen without a person knowing it. It is called a silent heart attack, or medically referred to as silent ischemia (lack of oxygen) to the heart muscle.
A silent heart attack is a heart attack that has few, if any, symptoms. You may have never had any symptoms to warn you that you've developed a heart problem, such as chest pain or shortness of breath.
Many people survive heart attacks and live active, full lives. If you get help quickly, treatment can limit damage to your heart muscle. Less heart damage improves your chances for a better quality of life after a heart attack.Jun 12, 2017
But heart attacks don't always kill instantly. ... And a person can also die from a heart attack that causes no irregular heartbeat at all — the heart muscle can be so damaged from the lack of oxygen that the heart can no longer pump enough blood, which can lead to death, she said.Dec 14, 2016
The platelets help form a plug that seals the opening in your blood vessel to stop bleeding. ... Then, a blood clot can quickly form and block the artery. This prevents blood flow to the heart and causes a heart attack. Aspirin therapy reduces the clumping action of platelets — possibly preventing a heart attack.
It is crucially important that an individual suffering from anorexia nervosa and who is also experiencing heart failure receives as fully comprehensive treatment as possible. Finally, it is possible that bradycardia can lead to cardiac arrest. Cardiac arrest, which is different than a heart attack, can be fatal.
If someone is at risk for a heart attack — because of high blood pressure, diabetes, sleep apnea, smoking or other factors — that attack is more likely to occur in the early morning. But “it's rare for an otherwise healthy person to have a nightmare that causes a heart attack,” said Dr. McLaughlin.May 20, 2016