Playing roller coaster, hard heart, usually a normal reaction, or itself suffers from coronary atherosclerosis, hypertension and other diseases caused by the following. 1. Normal reaction: because when playing roller coaster, people’s emotions may be too excited, so in the process of playing the heart will suddenly appear difficult, panic symptoms, the end of the game will gradually reduce the symptoms. 2. Coronary artery atherosclerosis: If you suffer from coronary artery atherosclerosis, coronary artery stenosis, when playing roller coaster may be stimulated, easy to lead to increased myocardial oxygen consumption, resulting in panic attacks, chest tightness and pain and other symptoms. 3. Hypertension: If you suffer from high blood pressure, when playing roller coaster, the rapid rise in blood pressure is easy to cause excitation of the central nervous system, thus causing cardiac discomfort, accompanied by panic in the chest, chest tightness and other symptoms. If your heart feels uncomfortable after playing roller coaster, it is recommended to observe for a period of time. If the symptoms still can not be relieved after rest, and accompanied by panic, shortness of breath, chest tightness and other symptoms, you should promptly seek medical attention.