Yes sometimes a heart pounding can be a sign of a heart attack that may be about to happen or happen soon.
A heart pounding to hard may not always be a sign of a heart attack though but if the heart beat does not slow back down within 30 minutes or so then you should probably see a doctor.
A heart should not always pound and if it does then something is not right.
Your heart should be steadily beating and not pounding.
A pounding heartbeat can also be caused by anxiety, being scared, frightened, stress etc.
So if the pounding heart goes away within 30 minutes or so then it's likely nothing serious.
A pounding heart could be also Atrial Fib and you should see a doctor about it.
Heart palpitations can be an emergency and require a visit to the emergency room.
If the heart palpitations are accompanied by shortness of breath, chest pain, chest discomfort and even fainting then the heart palpitations are an emergency and you should call 911 or get to the emergency room.
Some cases of heart palpitations however are nothing to worry about and will sometimes go away on their own.
Heart palpitations can be brought on by panic attacks, anxiety, fear, stress etc.
However if you continue to have heart palpitations you should see a doctor or go to the emergency room for treatment.
Heart palpitations can sometimes lead to a heart attack so always get checked out just in case.
Heart palpitations can sometimes do damage to your heart as well.
In most cases though heart palpitations are nothing to worry about but it's still best to see a doctor about the heart palpitations just to be safe.