ACCIDENTAL HEART MURMURS.

Abstract

Every theory in physical diagnosis should be the realization, not the violation, of a physical law. Every theory in connection with the diagnosis of cardiac murmurs, to be enduring, must harmonize with the physical laws governing the mode of production, pitch, quality, intensity and conduction of sound. It is the duty of the teacher to seek out and apply these laws and central essential truths, seeking particularly and insisting especially on those which are fundamental, at the same time giving due weight to those which are less palpable to ordinary observation and likely to escape indolent research, and to impress both upon those whom he addresses with every embellishment that can be furnished by his knowledge, and every weight, emphasis and adornment attainable by his power. Before considering the causes of accidental murmurs, it may be well to indicate what is meant by this term and also to indicate the