The Physical Effects of Smoking; Preliminary Experimental Studies
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increased and did not return to normal in 15 minutes.
•o ■3.2 li Av. Nor. H. R. of number of times in- dicated in column 1.
Average of H. R. for 15 seconds of 15th min.
o to MS ■S"S 4s No. of beats differ- ence between what H. R. was for whole of 15th min. and nor.
X 9 10 79.2 22.8 91.2 12 Y 2 10 76 20.5 82.0 6 Z 9 10 72.2 20.1 80.4 8.4 M 3 10 71.3 19.7 78.8 7.5 N 4 10 76 22 88 12 S 2 2 88.5 24.5 98.0 9.5 T 5 6 87.4 28.2 112.8 25.4 W 4 10 80.7 22.5 90 9.3 Total 38 68 Averag( e 78.9 22.5 90 11.1... Total 74 118 Table IV shows after exercise that the average heart rate for the 15th minute in 72 per cent of the tests when non-smokers smoked was 11.3 beats per minute higher than normal.
In 55.8 per cent of the cases when smokers smoked the average heart rate in the 15th minute was 11.1 beats per minute higher than normal.
In this comparison of normal heart rate and increased heart rate after exercise there seems to be but little difference between smokers and non-smokers. Out of 118 tests when both smokers and non-smokers smoked, the heart rate increased in 74 tests or 62.72 per cent and at the 15th minute had not returned to normal.
What to read after The Physical Effects of Smoking; Preliminary Experimental Studies?
You can find similar books in the "Read Also" column, or choose other free books by Fisher, George John, 1871- to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
increased and did not return to normal in 15 minutes.
•o ■3.2 li Av. Nor. H. R. of number of times in- dicated in column 1.
Average of H. R. for 15 seconds of 15th min.
o to MS ■S"S 4s No. of beats differ- ence between what H. R. was for whole of 15th min. and nor.
X 9 10 79.2 22.8 91.2 12 Y 2 10 76 20.5 82.0 6 Z 9 10 72.2 20.1 80.4 8.4 M 3 10 71.3 19.7 78.8 7.5 N 4 10 76 22 88 12 S 2 2 88.5 24.5 98.0 9.5 T 5 6 87.4 28.2 112.8 25.4 W 4 10 80.7 22.5 90 9.3 Total 38 68 Averag( e 78.9 22.5 90 11.1... Total 74 118 Table IV shows after exercise that the average heart rate for the 15th minute in 72 per cent of the tests when non-smokers smoked was 11.3 beats per minute higher than normal.
In 55.8 per cent of the cases when smokers smoked the average heart rate in the 15th minute was 11.1 beats per minute higher than normal.
In this comparison of normal heart rate and increased heart rate after exercise there seems to be but little difference between smokers and non-smokers. Out of 118 tests when both smokers and non-smokers smoked, the heart rate increased in 74 tests or 62.72 per cent and at the 15th minute had not returned to normal.
What to read after The Physical Effects of Smoking; Preliminary Experimental Studies?
You can find similar books in the "Read Also" column, or choose other free books by Fisher, George John, 1871- to read onlineMoreLess
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