3. Chest Pain
If a clot has grown in the area of the heart, or a clot has formed elsewhere and then become dislodged so that it is moving through the bloodstream, it could make its way to your heart and partially block an artery. In this case, a person may begin to feel symptoms similar to those of a heart attack. In fact, it can actually cause a heart attack. These signs include severe chest pain – usually accompanied by pain in at least one arm – as well as difficulty in breathing and profuse sweating.
This is about as serious as it can get in terms of wondering whether you need to seek medical help. Call for emergency assistance immediately if you are suffering from these symptoms and then worry about the details later. It is always better to be safe than sorry when dealing with medical issues associated with the heart.