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Objectives: The primary purpose of this study was to determine the methods and means of prevention and treatment of coronary artery disease. In this study, we used a new regimen on heart rate and functional capacity of patients after myocardial infarction. This study also determines the effect of a new regimen on these factors.
Methods: The cross sectional study was designed to assess the clinical trials before and after intervention. The effect of our new regimen was assessed according to method of Bruce stress test. The values of heart rate and functional capacity before and after intervention were compared.
Results: The Bruce stress test revealed a significant increase in functional capacity of the participants. The criterion deviation in functional capacity variable was 13.19±2.242 METS and 24.42±6.00 METS before and after the training sessions, respectively. A rise in the amount of METS (body oxygen survey at rest state equal to 3.5 milliliter oxygen to each kg person weight at minute) from secondary post test to primary test was observed (P<0.05). There was a decrease in heart rate after ten sessions of training. The criterion deviation and average of the heart rate variable was 83.30±11.71 and 81.60±13.45 before and after the sessions, respectively (P<0.05). 
Discussion: Cardiac rehabilitation can increase the performance of blood circulation and uptake of oxygen in body. Due to these changes, there was a significant increase in the functional capacity and an insignificant reduction in the heart rate.