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This text deals with the information that can be obtained by the use of the stethoscope, "such an inexpensive and expedient tool." It contains many interesting and valuable details concerning both normal and abnormal heart sounds. For example, the authors point out that the first heart sound may be accentuated when the P-R interval is shorter than normal, because of the position of the A-V valves so soon after auricular contraction. They describe the "inching procedure" to differentiate systolic from diastolic gallop sounds. They state that in general the sounds of an auricular premature beat resemble the normal beats of
Clinical Auscultation of the Heart.. Ann Intern Med. 1949;31:704. doi: 10.7326/0003-4819-31-4-704_1
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Published: Ann Intern Med. 1949;31(4):704.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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