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What is a “mild heart attack”? You may have heard the expression and wondered exactly what it means. A bone can have a hairline fracture or a major break. A stroke can have relatively minor consequences or be severely debilitating. So can a heart attack be mild or major?
The short answer is “yes.” And the extent of damage to the heart muscle itself determines whether a heart attack is major or minor. Keep in mind, however, that mild heart attack symptoms can resemble those of a more serious heart attack. That’s because heart attack causes refer to the blockage in one or more coronary arteries, no matter what kind of lasting consequences they leave behind.
But whether they’re mild, major, or somewhere in between, heart attack symptoms should be treated with emergency care.
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Heart Attack Causes
By definition, a heart attack is the result of blockage in an artery that supplies blood to the heart muscle. These blood vessels are called coronary arteries. You’ve probably heard the term “coronary artery disease,” or CAD. That just means that there’s plaque buildup in one or more of the heart’s arteries, and that it’s reducing or blocking blood flow in those arteries. The plaque is a waxy substance that includes LDL cholesterol, fats, and other waste products from your bloodstream.
The process of plaque building up in your arteries is called atherosclerosis. You may know it by a more familiar name: “hardening of the arteries.” This buildup takes place over many years.
There are some less-common heart attack causes, too. One of your coronary arteries could spasm and shut off blood flow to the heart muscle. Sometimes smoking or illicit drugs can result in coronary artery spasm. A spasm can occur in a coronary artery that isn’t affected by atherosclerosis.
Also unusual, but still possible, is a tear in the inner wall of a coronary artery; this is called a spontaneous coronary artery dissection. An artery has three walls or layers. When blood seeps through a tear in the inner layer, it can become trapped and bulge inward. As a result, blood flow through that artery becomes blocked.
Know the Warning Signs
The clinical name for a heart attack is a “myocardial infarction.” If one is in your future, of course you want it to be a mild heart attack. Symptoms for any type of heart attack, however, include the following signs:
- Chest pain, in many cases pain that comes and goes. It may be centered in the chest or spread from one side to the other.
- Shortness of breath.
- Nausea, sometimes with vomiting.
- Pain or tingling in one or both arms. Don’t be lulled into a false sense of security if the pain is only in your right arm. Arm discomfort due to a heart attack isn’t limited to the left side.
- Jaw pain, neck pain, or back pain.
- Breaking into a cold sweat.
- Feeling unusually tired, sometimes for days.
Symptoms may last for a few minutes and then subside, only to return again. Symptoms that come and go should be taken seriously as clues that you may be having a heart attack. Many heart attack survivors describe chest discomfort as “pressure,” rather than “pain.” Don’t be thrown off if you don’t feel a sudden, sharp pain in the middle of your chest. It may feel as though something is squeezing your heart or that something is pressing on your chest.
Understand, too, that major or mild heart attack symptoms vary from person to person. So if the pain or pressure you’re feeling in your chest seems minor, don’t dismiss it as unimportant. People who have a greater tolerance for pain tend to ignore heart attack signs that feel tolerable. Don’t try to tough it out or worry that you’re inconveniencing people around you by revealing your symptoms.
You should also keep in mind that if you have already had one heart attack, the signs of a second event may be much different.
Anxiety and Heart Attacks
One other common heart attack symptom is anxiety, or a vague but undeniable feeling that something’s wrong.
Research shows that a heart attack causes victims to feel like they’re having a panic attack. But this is a dangerous assumption. Rather than get help immediately, some individuals having a heart attack want to chalk up their symptoms to indigestion or anxiety or feeling worn out from too much exertion.
In addition, if the pressure in your chest isn’t too uncomfortable and you’re just a little short of breath, you may think you’re having some mild heart attack symptoms. This could lead you to not take them seriously.
What Is a Silent Heart Attack?
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It’s true that some people have what are sometimes referred to as “silent heart attacks.” These result from temporary blockages in the coronary arteries. Sometimes they don’t even produce mild heart attack symptoms. Evidence of a silent heart attack may only appear much later when your doctor is examining your heart for other reasons.
But you can’t count on a heart attack to be temporary or to cause only minimal damage. So treat major or minor heart attack symptoms as an emergency. The faster you seek medical help for a heart attack, the less damage your heart will suffer. A disruption of blood flow to the heart is a problem, and there will be consequences.
If you have risk factors for a heart attack, including high LDL cholesterol, high blood pressure, smoking, obesity, diabetes, or a family history of heart disease, and you start to feel heart attack symptoms of any kind, call 911. Don’t try to drive yourself to a hospital. Your symptoms may become overwhelming, placing yourself and other motorists at risk on the road.
Make sure your loved ones know the symptoms of a heart attack and what to do if you or someone in your home starts to experience one. Sometimes fast treatment is what makes the difference between a heart attack being mild or major.
Originally published in 2016, this post is regularly updated.