Objective To explore effects of Tongxinluo copsule for indexes of blood rheology and blood gas analysis in exacerbating period of cor pulmonale.Methods 20 healthy subjects were selected as control group,60 patients with cor pulmonale were radomly divided into treatment group who were treated by routine therapy and Tongxinluo group who were treated by routine therapy and Tongxinluo capsule. The changes of indexes of blood rheology and blood gas analysis were observed before and after treatment. Results Befor...