Left heart position a burst of pain how to return a responsibility

A burst of pain on the left side of the heart may be caused by non-disease factors or myocardial ischemia, cardiac neurosis and other diseases.

First, non-disease factors such as

high altitude areas, heat and other environmental factors, due to low oxygen content in the air or high outside temperature, make the body oxygen imbalance between oxygen demand, the body is in a state of hypoxia, will make the heart

hypoxia

pain.