Engineers, A: Transactions of the American Society of Civil

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Engineers, A: Transactions of the American Society of Civil

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O knihe

Excerpt from Transactions of the American Society of Civil Engineers, Vol. 65: December, 1909

It was then found that if a man suffering from caisson disease in any of its many forms, varying from unconsciousness and paralysis' to an acute pain in the limbs, was quickly recompressed and allowed to decompress slowly, in many cases a cure resulted, but not always.

This went to prove that the disease was a mechanical one, and was caused by the dissolved air in the blood and tissues becoming liberated in'the body in the form of expanding bubbles which tore the tissues, caused pressure on the brain, injured the spinal cord, or frothed up the blood and stopped the circulation and heart action.

Much has been done since the introduction of the medical air-lock. The percentage of carbon dioxide in the air of the working chamber has been kept within safe limits, moisture and oil have been extracted from the air before delivery to the chamber, and the workmen have been well cared for; but still caisson disease claims its victims, and engineers consider this inevitable.

The erratic manner of the disease puzzles doctors and engineers alike. Men who have worked for months in high pressures for the regulation shift without suffering have been suddenly attacked and died; others, working only half a shift, have been paralyzed; While exceptions have worked for 12 hours at a time and have suffered only slight pains which have quickly passed away.

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