A sudden onset of squishing or squeezing, very severe pain located behind the sternum may indicate a developing heart attack. The illness is usually accompanied by a feeling of shortness of breath, heavy sweating or a strong sense of anxiety. It is worth knowing the basic symptoms of this dangerous condition, because cardiovascular diseases are the most common cause of death in Poland! At what point should you call the emergency services? What is the procedure for rescuers and doctors from that point on? How does life change after a heart attack? These are the most common questions asked by patients that are worth answering.