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Handbook of anæsthetics

Reaching the blood stream by absorption from the lung alveoli, the drug enters into loose combination with the red blood corpuscles; a small proportion only is carried in the plasma. Within the corpuscles it must of necessity displace a certain proportion of the oxygen normall...

Chapters

1. CHAPTER I.

Reaching the blood stream by absorption from the lung alveoli, the drug enters into loose combination with the red blood corpuscles; a small proportion only is carried in the pl...

2. CHAPTER II.

Under this short and convenient title, the author proposes to discuss all the changes observable in the patient’s condition, the causation of which can be traced to the procedur...

3. CHAPTER III.

Some degree of asphyxia is a common complication of inhalational anæsthesia: indeed some small degree of it is almost unavoidable. It is hardly too much to say that the differen...

4. CHAPTER IV.

The OPEN METHOD is one in which the drug is dropped or poured upon a fabric stretched on a mask which does not lie in close apposition to the face. If the student will experimen...

5. CHAPTER V.

Anæsthesia has been divided into four clinical stages corresponding to the degrees to which the nervous system has been affected. The boundaries between these stages are often i...

6. CHAPTER VI.

For all but short anæsthesias conducted chiefly by nitrous oxide, the intestinal tract of the patient must receive careful preparation. In doing this, one must avoid excessive s...

7. CHAPTER VII.

Upon the nervous system, nitrous oxide acts like other anæsthetics, but the stages of anæsthesia are passed through so rapidly that a second stage can hardly be distinguished. I...

8. CHAPTER VIII.

The account given in the previous chapter of anæsthesia by nitrous oxide and air will have convinced the student that it is a somewhat inelegant method with a limited sphere of...

9. CHAPTER IX.

The drug commonly known as ether and otherwise described as ethylic ether or sulphuric ether, has a chemical formula (C_{2}H_{5})_{2}O. It is a transparent colourless fluid with...

10. CHAPTER X

Intratracheal insufflation consists in driving a current of air under pressure, through a tube introduced by way of the mouth and larynx, deeply into the trachea. The current of...

11. CHAPTER XI.

Chloroform is chemically trichlor-methane, CHCL_{3}. It is a colourless, transparent fluid, with a specific gravity of 1·491 at 17°C. Its vapour is even heavier than that of eth...

12. CHAPTER XII.

Chemically this drug has the formula C_{2}H_{5}Cl. It is a colourless fluid so volatile that it boils at ordinary room temperature. Its vapour is highly explosive, and the fluid...

13. CHAPTER XIII.

Dr Guy, Dean of the Edinburgh Dental School, introduced some years ago a method of giving ethyl chloride in mixture with nitrous oxide. Guy’s objective was to utilise the many e...

14. CHAPTER XIV.

The mere addition of ether does not remove all the undesirable features of chloroform anæsthesia. A heart poisoned by excess of CHCl_{3} does not respond to ether stimulation. N...

15. CHAPTER XV.

By a sequence we mean a method in which anæsthesia is partially or wholly induced by one anæsthetic or one method, and maintained by another. The methods mentioned in Chapter XI...

16. CHAPTER XVI.

The minor difficulties of anæsthesia have already been dealt with, and if the instructions already given, particularly in Chapter III., are faithfully carried out, incidents of...

17. CHAPTER XVII.

After operations performed under any form of anæsthesia, even spinal, there is always a possibility of pneumonia or bronchitis. The anæsthetic itself is not always to blame. The...

18. CHAPTER XVIII.

The position in which the patient is lying is of as much importance to the anæsthetist as to the surgeon. It is for the surgeon to say what he wants and for the anæsthetist to r...

19. CHAPTER XIX.

In considering this matter, some repetition of points to which reference has already been made, is inevitable. Indeed, this chapter may be regarded as a revision of the whole su...

20. CHAPTER XX.

By the term local anæsthesia, or more correctly _local analgesia_, is meant the loss of sensibility to painful stimuli without loss of general consciousness. It may be induced i...

21. CHAPTER XXI.

Spinal Anæsthesia or _Analgesia_, consists in the production of analgesia in the lower extremities and in the lower part of the trunk by the injection into the subarachnoid spac...