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BLOOD-PRESSURE VARIATIONS AS INFLUENCED BY RAPID CHANGES IN ALTITUDE. A STUDY OF 100 NORMAL MEN

F. E. CLOUGH, M.D.
Arch Intern Med (Chic). 1913;XI(6):590-592. doi:10.1001/archinte.1913.00060300027002.
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ABSTRACT

In view of the fact that doctors practicing at moderately high altitudes are being told repeatedly by their patients that they must leave the country on account of their health and the influence the altitude has on their condition, a series of readings was taken to see if a change of from 1,400 to 1,700 feet would be of any importance on the blood-pressure.

The Homestake Mining Company, through whose courtesy this work was carried on, is a gold mining concern whose underground workings are naturally ventilated. This is accomplished by having shafts in different gulches, widely separated from each other, the current of air in some of them being downward, in others upward. The mine is quite free from gases because the character of the rock does not generate any per se. A small amount of carbon dioxid is present, due to the decomposition of dynamite, the

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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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