RT Journal T1 LEcciones de cardiologia. JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1929 FD February 9 VO 92 IS 6 SP 497 OP 497 DO 10.1001/jama.1929.02700320067032 UL http://dx.doi.org/10.1001/jama.1929.02700320067032 AB These lectures are not clinical; they are didactic. They are altogether excellent. They deserve to be translated into English so as to reach a wider circle of readers. Each lecture is in reality a monograph. Some topic that is usually given a few sentences or paragraphs in the ordinary textbook article is here made the subject of a scholarly lecture. The author is familiar with the literature of cardiology. But, best of all, he knows how to use this literature and how to present in telling form the results of his exhaustive studies. He draws lessons also from personal clinical observation. To show the scope of the lectures, the first, the shortest of the four, deals with the cardiac hormone, or the humoral regulation of the heart beat. The second takes up functional heart murmurs. The third discusses the third heart sound, and also gallop rhythm. The last lecture considers