Auscultation and percussion by Samuel Jones GeeAuscultation and percussion by Samuel Jones Gee

Auscultation and percussion

bySamuel Jones Gee

Paperback | June 28, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1908 edition. Excerpt: ... the mouth of a large vein when the related auricle is much enlarged, and the rush of blood is strong.1 An open foramen ovale has sometimes seemed to be a cause of murmur, different, in different cases, as to the place and time where it is best heard. Perforation of the base of the septum ventriculorum may be attended by loud murmur. Murmurs were once characterised according to their acoustic qualities, whether blowing, filing, rasping, sawing; but these are vain distinctions; in order to render murmurs serviceable in the diagnosis of disease we now regard two only of their properties, namely, their Place and Time. 1 See Markham's case, before cited (p. 39). I.--Place Of Cardiac Murmurs In general, a murmur is heard best at that point of the surface of the body which is nearest to the orifice whereat the murmur is generated. So that it becomes important to determine the relation which the orifices of the heart bear to the chest-wall. The Pulmonary orifice lies behind the second left interspace, close to the sternum: the Aortic orifice lies on the same level, behind the sternum: the Tricuspid orifice reaches from the sternal end of the third left intercostal space to that of the fifth right rib; the Mitral orifice lies on a level with the upper border of the third left cartilage, close to the edge of the sternum, and slightly behind it. And let it be noted that the mitral orifice lies much more deeply than the rest. But murmurs are not always conducted the shortest way to the surface. The conducting power of the tissues interposed between a valve and the chest-wall, and the direction of the blood current, have much to do with determining the point at which a murmur is heard loudest. i. The influence of superjacent tissues is well exemplified in...
Title:Auscultation and percussionFormat:PaperbackDimensions:56 pages, 9.69 × 7.44 × 0.12 inPublished:June 28, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217727409

ISBN - 13:9780217727402