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.
There is another very common cause of chest pain: stress. Every year, a many patients seeking medical attention for chest pain are diagnosed with unexplained chest pain. Many of these people experience recurring chest pain over several years, and it can make them feel lethargic, anxious, or fearful of death.