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Previous Volume 341:1472-1473 November 4, 1999 Number 19 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Presumably, the grade 6 murmur that was audible without a stethoscope (and without applying the ear to the chest?) and that was represented by the echocardiogram in the July 1 Image in Clinical Medicine by Spodick and Pezzella¹ had a musical quality. I say this for several reasons. First, as demonstrated by spectral phonocardiograms obtained in the 1950s,² musical murmurs owe their quality to harmonics, and gross harmonics in systolic movement of the mitral valve are a striking feature of the M-mode echocardiogram submitted by Spodick and Pezzella. In the second place, such loud murmurs are probably . . . [Full Text of this Article]

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