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August 2, 1941


JAMA. 1941;117(5):386. doi:10.1001/jama.1941.02820310058022

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To the Editor:—  When auscultatory percussion is used as a routine it will be found to be accurate for locating the apex of the heart. It is also of advantage in examination of the lungs. The simplicity of the method and its ready adaptability plus its assured accuracy should warrant its wide usage, especially by the keen diagnostician.To locate the apex of the heart the stethoscope is held on the manubrium sterni, and light percussion is made beginning at the midaxillary line in the fifth left interspace. A definite change in sound will be detected as soon as the percussion reaches the left border of the heart. After the border of the heart is ascertained in each interspace, the distance to the right and left of the midsternal line may be recorded in centimeters.Auscultatory percussion is of advantage also in examining the upper part of the chest anteriorly

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