During the past three years, in 1, 607 selected general anesthetic cases, the authors have obser-
ved the influence of various drugs used in anesthesia and the patients´ physical status upon the
blood pressure during and immediately following endotracheal intubation.
The results are as follows:
1) Blood pressure was higher during and for a period of 10 minutes after intubation than the control.
2) In the cases premedicated with Demerol and atropine blood pressure changed little during intubation. Following intubation, however, blood pressure tended to be higher during ether than .halothane anesthesia.
3) In patients with poor physical status, blood pressure tended to rose less during and fall .more following intubation when either halothane or ether was employed.
4) Patients with poor physical status seemed to tolerate, considering the blood pressure change, ether better than holothane anesthesia.
5) In the beginning of induction, blood pressure tended to fall less with gallamine than with succinylcholine chloride.
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