Licence: Public Domain Mark
Credit: The physical diagnosis of diseases of the lungs / by Walter Hayle Walshe. Source: Wellcome Collection.
Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.
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![posteriorly, laterally, and from above downwards. Inspection in the latter direction is particularly to be employed, as a means of ascertaining the antero-pos- terior diameter of the chest, when callipers cannot be had. [§ 3.] Under all circumstances, it is of the last impor- tance, in performing inspection, that the two sides of the chest, both generally and in their various corresponding parts, be closely compared. This observation applies with the same force to all other methods of physical examination; without com- parison of corresponding regions the utility of this kind of investigation would be incalculably di- minished. [§ 4.] In order to give precision to the description of the different parts of the chest, its surface has been divided into artificial regions ; but as the assign- ment of limits to these regions is altogether arbi- trary, it is not to be wondered that the boundaries adopted by different writers vary. Simplicity, as far as is compatible with the main object in view, should be especially aimed at in all such topograph- ical arrangements; but it does not appear to me possible, without incurring the chance of error, to make the number of divisions less than in the fol- lowing table. The sub-regions marked thus * are single; all the rest are double. Iiegions. a. Anterior. Sub-regions. T. Post-clavicular. 2. Clavicular. S. Infra-clavicular. 4. Mammary. 5. Infra-mammary. Upper. Lower. *](https://iiif.wellcomecollection.org/image/b28043315_0021.jp2/full/800%2C/0/default.jpg)
