Abstract
SummaryThe rate of blood flow, skin temperature, and pulse rates were determined after the intravenous injection of 0.6 g of sodium tetrathionate. In 10 normal subjects the rate of blood flow and skin temperature increased slightly in the left index finger. In the lower extremities the rates of flow increased to a lesser extent. Indirect heating produced a greater rate of flow in the upper and lower extremities and increased the temperature in the upper and lower extremities to a greater degree. In 10 subjects with arteriosclerotic obliterative disease who have had a left lumbar sympathectomy, the rate of flow and skin temperatures through the upper extremities were increased slightly. However, there was no significant change in the lower extremities. Indirect heating was more efficacious in increasing the flow rate and skin temperature than was the sodium tetrathionate. The pulse rate was slowed slightly, the maximum slowing occurring 40 minutes after injection.
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