Landmarks, medical and surgical

Paperback | February 6, 2012

byLuther Holden

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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.1877 Excerpt: ... A needle passed through the first intercostal space, close to the right side of the sternum, would pass through the lung and enter the superior vena cava above the pericardium. Apex of the heart. 42. The best definition of that part of the precordial region which is less resonant on percussion, was given by Dr. Latham years ago in his 'Clinical Lectures.' 'Make a circle of two inches in diameter round a point midway between the nipple and the end of the sternum. This circle will define, sufficiently for all practical purposes, that part of the heart which lies immediately behind the wall of the chest, and is not covered by lung or pleura.' The apex of the heart pulsates between the fifth and sixth ribs, two inches below the nipple, and one inch to its sternal side. The place and extent, however, of the heart's impulse, vary a little with the position of the body. Of this anyone may convince himself by leaning forwards, backwards, on this side and on that, feeling, at the same time, the heart. Inspiration and expiration also alter the position of the heart. In a deep inspiration it may descend half an inch, and can be felt beating at the pit of the stomach. 43. The aortic valves lie behind the third intercostal Va'yes of 1, 1 r , r, the heart space, close to the left side of the sternum. The pulmonary valves lie in front of the aortic behind the junction of the third rib, on the left side, with the sternum. The tricuspid valves lie behind the middle of the sternum, about the level of the fourth costal cartilage. The mitral valves (the deepest of all) lie behind the third intercostal space, about one inch to the left of the sternum. Thus these valves are so situated that the mouth of an ordinary sized stethoscope will cover a portion of them all, if placed ov...

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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.1877 Excerpt: ... A needle passed through the first intercostal space, close to the right side of the sternum, would pass through the lung and ent...

Format:PaperbackDimensions:34 pages, 9.69 × 7.44 × 0.07 inPublished:February 6, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217010431

ISBN - 13:9780217010436

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