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