Collected Essays Addresses, Scientific Papers and Miscellaneous Writings Volume 1

Collected Essays Addresses, Scientific Papers and Miscellaneous Writings Volume 1

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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. 1909 edition. Excerpt: ...flattened, the supra-clavicle regions sunk, sternum and scrobiculus cord is drawn in; the inferior part of the abdomen bulging out; larynx and trachea ascend and desend considerably with every expiration and inspiration to compensate for the diminished amount of air admitted to the lungs. The flushed face becomes pale, now and then the child is soporous, vomiting will occur spontaneously while emetics are losing their effect, respiration is superficial, attacks of suffocation will alternate with sopor. Sometimes for a change, entire remissions, mostly in the morning, will take place, and the child breathe more quietly and appear more comfortable, until with an attempt at deep inspiration, exactly like animals in whom the pneumogastric nerves have been cut, a fearful attack of suffocation sets in. Part of these symptoms result from the abnormal amount of carbonic acid retained in the blood; not from retention of the blood in the brain; for as long as inspiration alone is impeded, blood is not repelled into the brain, nor into the integuments, and therefore we notice no cyanotic hue, except in a severe attack of coughing, or except toward the fatal termination when the heart is becoming paralyzed and the arteries insufficiently filled. Then the' veins are dilated by the circulation being impeded. To the contrary, when the elastic lung tissue, not sufficiently filled with air of 'normal density, affords more room for the capillaries to dilate, when there is less pressure on the walls of these lung capillaries, the result is congestion, catarrh, bronchitis, and broncho-pneumonia inside, while the external surface is the paler. Thus bronchial catarrh and bronchitis with its sequelae--not, however, croupous pneumonia, which requires more

Product details

  • Paperback | 146 pages
  • 189 x 246 x 8mm | 272g
  • United States
  • English
  • black & white illustrations
  • 1236758153
  • 9781236758156