, listen carefully to your body and the signs that it is giving you. As you now know what the main warning signs are pay heed to them. As they say knowledge is power. However, this is only a half true as real power comes from taking action on the knowledge you have learned. Therefore, if you unfortunately experience any of these symptoms then, at least you will have the knowledge to know the signs of a heart attack and to take them seriously and put in place the necessary action that is required.