Physical Diagnosis Including Diseases of the Thoracic and Abdominal Organs; A Manual for Students and Physicians

Physical Diagnosis Including Diseases of the Thoracic and Abdominal Organs; A Manual for Students and Physicians

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 edition. Excerpt: size by widening of the opening. Data obtained by inspection must be verified and corrected by the knowledge obtained by the other methods of examination. Normally, that portion of the thorax which is known as the praecordia shows a slight flattening surrounded by a slight elevation of the ribs. In the fifth intercostal space, 21/2 to 3 inches to the left of the sternum, at a point where a line drawn 2 inches from the left edge of the sternum and 1 inch inside the nipple line bisects the space, is seen a localized, rhythmical impulse occupying an area of about 1 inch square. THE APEX BEAT. This is due to the impact of the heart-against the chest wall. It does not mark, as is commonly supposed, the true anatomical apex, for that part which strikes the chest wall is distant from the true apex about threequarters of an inch. The cardiac impulse is due to change in form of the heart during systole, the vertical diameter being lengthened, with a corresponding shortening of the transverse. The site of the apex beat varies normally within certain limits. In the child it is higher, being found in the fourth interspace, and farther from the mediastinum. In old age it is lower down, being in the sixth interspace, nearer the median line. In persons with short, broad thoraces it is found slightly above the fifth interspace, while in those in whom the thorax is narrow it may be found underneath the sixth rib, and even at the upper border of the sixth interspace. The site of the apex beat also varies with the position of the patient. When lying on the left side, it is carried to the left as far as the midclavicular line, and even farther; when the patient is lying on the right side, it is carried inward toward the sternum, but its mobility is not more

Product details

  • Paperback | 122 pages
  • 189 x 246 x 7mm | 231g
  • United States
  • English
  • black & white illustrations
  • 1236752074
  • 9781236752079