<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi,I had a coronary infarct about 38 years ago am 63 now - Height 5ft 7in weight about 7578 kgs about 170lbs but over the last two years I have been getting short of breath if I sprint a bit on my walks or if i take the staircase quickly or walk fast. I am a-typical now have been since losing a lot of wieght about 20kgs after my infarct. Went over from all medication to yoga, omega3codliver caps spirulina.Any advice  <response>: Hi shortness of great on climbing upstairs is medically termed as dyspnea n exertion, and you are in grade 2 right now. You have not mentioned that after infarction 38 years back were you scented or bypass was done, but as off now i would suggest you to go for a 2 d echo as soon as possible, 2d echo will help to rule out the functions of heart, in case of worsening of the heart functions, 2 d echo will be useful Dyspnea on exertion in a patient with history of m.I am highly suggestive of worsening of cardiac functionalize 2 d echo 