B00AUJANSA EBOK by Preston Robin R. & Wilson Thad

Author:Preston, Robin R. & Wilson, Thad [Preston, Robin R.]
Language: eng
Format: epub
Published: 0101-01-01T00:00:00+00:00

Figure 22.11

Pneumothorax. PA = alveolar pressure;

PB = barometric pressure;

Ppl = intrapleural pressure.

The human thorax contains two pleural cavities. In practice, this means that injury resulting in pneumothorax usually affects only one lung at a time. Thus, although pneumothorax is still a serious condition, it is not immediately fatal. By contrast, the American buffalo (bison) contains a single pleural cavity that is relatively easy to breach with a gunshot or arrowhead. This immense animal once roamed the plains of North America in large numbers, but its vulnerability to pneumothorax allowed hunters and farmers to systematically decimate herds during the late 1800s.

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