How is the need for heart bypass surgery determined?

How is the need for heart bypass surgery determined?

In this video, Dr. K K Aggarwal, President Heart Care Foundation of India and Group Editor in Chief MEDtalks, will discuss whether carditis recur. He says that it can recur. The presence of cardiac involvement in rheumatic fever can cause carditis to recur. If in the first episode of rheumatic fever, carditis is not present then, in second episode it will not occur. And if there is cardiac involvement in first episode of rheumatic fever then every time carditis will recur worsening the existing carditis.