Fatigue Are you constantly feeling tired? Fatigue is a big indicator for a heart attack because it's brought on by low blood flow to the heart. When the arteries narrow, your heart receives less blood, so it works a lot harder than usual. If you're left feeling overexerted and tired, you should get checked out by your doctor.
Shortness of Breath Another indication that a heart attack may be on the horizon is shortness of breath. When the arteries narrow and blood flow is decreased, your lungs aren't able to get the blood flow they need to work properly. Your heart and lungs work together, and if one system isn't working properly, it affects the other. So, if you're experiencing shortness of breath, it could be a red flag that a heart attack is in the near future.
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