. Barometric pressure : researches in experimental physiology. Atmospheric pressure; Physiology, Comparative; Anoxemia; Altitude, Influence of. Symptoms of Decompression 671 the heart beats. The latter even follow this general rule much more exactly than the former. Because of the clots which formed in the arteries and the ap- paratuses, it has been almost impossible for me to measure in a consistent manner the modifications of the cardiac pressure. The. Fig. 50—Dog, Experiment CCXVIII. Fig. 51—Dog, Experiment CCXVII. Simultaneous modifications of the number of respiratory move- ments R and th
. Barometric pressure : researches in experimental physiology. Atmospheric pressure; Physiology, Comparative; Anoxemia; Altitude, Influence of. Symptoms of Decompression 671 the heart beats. The latter even follow this general rule much more exactly than the former. Because of the clots which formed in the arteries and the ap- paratuses, it has been almost impossible for me to measure in a consistent manner the modifications of the cardiac pressure. The. Fig. 50—Dog, Experiment CCXVIII. Fig. 51—Dog, Experiment CCXVII. Simultaneous modifications of the number of respiratory move- ments R and the pulse P under the influence of decompression. rare observations which I could make showed only slight diminu- tions; it seemed to me that it would be necessary to go very far to obtain noteworthy differences in animals which must be kept motionless. At a pressure of 26 cm., the heart had retained the same strength as at normal pressure (Exp. CCXIX). The results would no doubt be different, if the animals were performing labor comparable to that of travellers climbing a Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bert, Paul, 1833-1886; Hitchcock, Mary Alice; Hitchcock, Fred Andrews, 1889-. Columbus, Ohio : College Book Company
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