Frequently used as an abbreviation for secondary to. You might also see it written as 2 or 2/2. Feb 7, '11. We were told to use s/t instead of r/t if the defining characteristic you cite in your NDX statement is an MDX rather than a sign or symptom.
Examples of heart-related causes of chest pain include: Heart attack. A heart attack is a result of a blood clot that's blocking blood flow to your heart muscle. Angina. Thick plaques can gradually build up on the inner walls of the arteries that carry blood to your heart.
Chest pain can be caused by many diseases and condition, for example,angina, heart attack, shingles, pneumonia, pulmonary embolism, pericarditis, GERD, broken or bruised ribs, and aortic dissection. The treatment for chest pain depends upon the cause. If you have pain in the chest, see your doctor or other healthcare professional.