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1 From the Department of Physiology, Otago University, New Zealand
1. Depression of all muscle (smooth, cardiac, and striped) with the possible exception of the uterus.
2. Depression of conductivity of nerve.
3. Depression and excitation of the central nervous system in a manner similar to morphine. The depression of the respiratory centre is the most marked.
4. Vaso-dilatation of peripheral vessels which, in conjunction with the reduced output from the heart, produces a fall in blood pressure.
5. The effect on the refractory period and the prevention of fibrillation is also described.
Submitted on July 15, 1934