Chest pain Цээжээр өвдөх (монгол) Боль в груди (ру́сский) Possible common causes Anemia Cardiac arrhythmia Chronic obstructive pulmonary disease (COPD) Enterococcus infection High levels of Cholesterol and Triglyceride Irritable Bowel Syndrome (IBS) Ischemic heart disease Myocarditis Reverse Hardened Arteries Tachycardia