I keep getting chest tightness. What's going on?

Frequent chest distress and suffocation and other discomfort symptoms, consider and cardiac dysfunction has a relationship, it is recommended to go to the hospital to do ECG, coronary angiography, cardiac ultrasound and other examinations. See if there is arrhythmia, coronary heart disease, cardiac dysfunction and other problems, if ruled out is heart disease, you need to consider is autonomic nervous dysfunction or cardiac neurosis caused by discomfort.