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I. On the mutual relations of the apex cardiograph and the radial sphygmograph trace

1871; Royal Society; Volume: 19; Issue: 123-129 Linguagem: Inglês

10.1098/rspl.1870.0049

2053-9126

Alfred Henry Garrod,

Neurology and Historical Studies

A desire to acquire an accurate knowledge of the relation borne by the commencing contraction of the heart to the origin of the primary rise in the pulse at the wrist, led the author to construct an instrument which has enabled him to determine, with considerable accuracy, the mutual relation of these two points, and to demonstrate one or two unexpected results, not altogether without interest.