Lancisi noted the frequency of cardiac aneurysm and showed the importance of syphilis, asthma, palpitation, violent emotions, and excess as causes of aneurysms. He was the first to describe cardiovascular syphilis. Lancisi shares with Vieussens the honor of laying the foundation of the pathology of heart disease. Revision of 1745 edition of De aneurysmatibus, with translation and notes, by W. C. Wright, 1952.