2. Shortness of breath

The shortness of breath happens when the lungs don’t get the appropriate levels of oxygen needed for a proper function of the body. If you or someone you know experiences shortness of breath it is for the best to consult a doctor because it may be a sign of a potential heart attack. As per WebMD, “shortness of breath and feeling tired can be signs of [heart failure.]”

Heart failure refers to the heart’s inability to pump blood around the body properly.

3. Weakness

If you start experiencing weakness all of a sudden because of a an unknown reason your body might want to remind you to take things slowly and reconsider your lifestyle.

4. Dizziness and Cold Sweats

Both dizziness and cold sweats can be a result of poor circulation, something that must not be ignored.

5. Flu or Cold-like Symptoms

A great number of people who have experienced heart attack say that they developed flu-like symptoms mere days before the attack took place.

6. Chest Pressure

A common symptom of heart attack is the chest pressure one might experience. This pressure will constantly increase until the attack itself happens.