The University Studies Volume 18-19

The University Studies Volume 18-19

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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. 1918 edition. Excerpt: ...and secondary effects. As has been found in the arteries, factors disturbing development of the heart apparently act at a very early age and on very restricted areas. A sufficient number of isolated lesions have been encountered to make it a comparatively easy problem to break up any complex into its individual elements for the purposes of analysis. We are able to interpret many anomalies in their relation to the orderly course of development, but the actual factors producing them are not revealed or even suggested by this method of study. Prenatal inflammations and endocarditis can be apparently disregarded as primary disturbing factors. Near 40 per cent. of the hearts presented but a single lesion, while the total number of separate lesions encountered in the 886 hearts was 1,978, or 3 lesions for each heart showing more than one. Certain complexes were more frequent than others, but no associated lesions were so constant as to be in any way instructive. Other bodily anomalies were occasionally found in association with those of the heart, but none constantly or in anyway suggestive of a relation to any specific cardiac lesion. The statement has frequently been made that the right side of the heart is more susceptible to developmental disturbances than the left; this would certainly seem to be true if we consider only-the aortic and pulmonary trunks, but if we consider all anomalies as revealed by this study such a claim cannot be substantiated. There are no particular diseases to which cases suffering with congenital cardiac lesions are especially susceptible. There are no pathognomic symptoms surely indicating the condition of anomaly. Congenital cyanosis is not a common symptom, indeed it is not present in one third of the cases. more

Product details

  • Paperback
  • 189 x 246 x 7mm | 240g
  • United States
  • English
  • black & white illustrations
  • 1236991095
  • 9781236991096