it is a problem if you do not know the cause of your symptoms. rather than try and figure out what you have or worry about having a heart attack it would be best for you to be examined by a medical professional -- someone that can take a thorough medical history examine you order an diagnostic tests and give you the true answer. unfortunately this is not something that can be done blindly over the internet.
can an 18 year old girl have a heart attack. i am 18 weigh 120 lbs and am 5'7". my pulse is always racing over 100 and i am always short of breath. the left side of my neck hurts along with my left arm. is this a problem?