Signs of a heart attack

The most common signs of a are severe chest tightness and shortness of breath. But there may be other symptoms as well. A is a medical emergency. If you think someone might be having a , it is very important to call the emergency services right away (112 in Germany and many other countries, 911 in the U.S.).
Sometimes, people have a that is caused by coronary artery disease (CAD) that they already knew about. But heart attacks can happen without any previous symptoms, too.
Some people think that heart attacks are a lot more common in men. That isn’t true, though. But women tend to be older when they have heart attacks. More women die of a than of breast cancer, for example.