The treatment for heart disease is actually based on the outcome of the cardiac investigations that are performed. The right disease can be identified with the proper cardiac investigations and then the treatment is started for the patient. The cardiologist or heart doctor plays a very important role in treating any person suffering from heart diseases. Some patients can be treated conservatively with medication while others may need more invasive measures as a treatment for heart disease. The following section provides some further information on the different options available to the cardiologist or heart doctor in the treatment for heart disease.