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Previous Volume 331:1589-1590 December 8, 1994 Number 23 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: With regard to the clinical image depicting the "Brockenbrough-Braunwald sign" (July 28 issue),¹ the authors of the 1961 article that initially described the diminished pulse pressure in the post-extrasystolic beat were Brockenbrough, Braunwald, and Morrow.² The late Andrew G. Morrow was a prolific investigator of hypertrophic cardiomyopathy and deserves equal recognition. The criterion for a positive post-extrasystolic response was later modified by the authors to include instances in which the pulse pressure fails to increase.³ It was also later found that this sign is not unique to hypertrophic cardiomyopathy but has frequently been observed in discrete forms . . . [Full Text of this Article]

References

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