Heart Attack Warnings: 9 Signs You Might Not Expect

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Unfortunately, a heart attack can come completely out of the blue. Usually, however, there are indications you can act upon, days and even hours before a cardiac event. Doing this can save your life.

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Snoring and Sleep Apnea

Sleep apnea can damage the right side of the heart, due to the strain the lungs are under as they try to break through obstruction. Sleep apnea sufferers have triple the normal risk of having a heart attack in the next five years.
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Coughing

Persistent coughing is a signal that you may have some fluid accumulation in your lungs, which is a symptom of heart failure. If it’s a struggle to breathe thanks to the fluid in your lungs, that could be related to your heart not pumping blood the way it’s supposed to. That could indicate chronic obstructive pulmonary disease (COPD).
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Lack Of Appetite And Nausea

Heart attack is often attended by nausea, even to the point of vomiting. Heart failure can really suppress your appetite. Both these symptoms can be direct signs of an unhealthy heart.
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Fatigue

Women don’t experience the same signals of an unhealthy heart that men do. Women typically report extreme, sudden fatigue before having a heart attack. This fatigue can show up a few days leading up to a heart event, so getting it checked out immediately can mean life or death.
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Swollen Feet And Legs

If your shoes get tight later in the day, with excess fluid gathering in your legs and feet, you could be experiencing fluid retention. This is called edema, and it indicates coronary artery disease (CAD), in which the arteries that supply blood to your heart tissue are blocked. This can indicate other kinds of cardiovascular disease, even heart failure.
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Swollen, Bleeding, Sore Gums

There is a connection between gum health and cardiovascular health. Periodontal disease could indicate that you may have underlying heart disease in your veins and arteries.
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Sweating

If you’re just sitting in your chair, and out of nowhere you break into a drenching sweat, it might be the initial signs of a cardiac event. Call 911 immediately.
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Dizziness

A heart attack can cause dizziness, fainting and loss of consciousness.
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Weakness

An overall feeling of weakness manifests during the days leading up to a heart attack. This sudden feebleness is very different from simply feeling tired at the end of a long day.
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