Experimental Investigation of the Action of Medicines Pt 1 Circulation
Experimental Investigation of the Action of Medicines Pt 1 Circulation
Thomas Lauder Brunton
The book Experimental Investigation of the Action of Medicines Pt 1 Circulation was written by author Thomas Lauder Brunton Here you can read free online of Experimental Investigation of the Action of Medicines Pt 1 Circulation book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Experimental Investigation of the Action of Medicines Pt 1 Circulation a good or bad book?
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The aorta may be either compressed by the thumb of the operator, or by a narrow pad of cork laid over it and pressed upon it by a tourniquet, of which the strap has been passed round the animal's body. MODE OF COUNTING THE BEATS OF THE HEART. Now, if we wish to determine the blood-pressure at the same time with the pulse-rate, we may count the latter from the oscillations which each beat of the heart produces in the tracing of the kymographion, or from the sphyg- moscope attached to it ; but th...is is not always necessary, and we may wish to ascertain the pulse-rate without going to the trouble of opening an artery and using a manometer. We may do this in three ways I. By feeling the pulse in one of the large arteries, such as the crural, with the finger ; i. By listening to the beats of the heart with a stethoscope ; 3. By the motion of a needle stuck into the ventricles. For this pur- pose a fine harelip-needle is inserted at the point where the apex beats, and is pushed upwards into the substance of the ventricle.
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