8. Strophanthin treatment was not observed to have been successful. The
question of the use of strophanthin remains open, however. Remedies
which influence the peripheral circulation are definitely not advisable.
9. The most effective therapeutic measure is rapid and intensive heat
treatment, best applied by immersion in a hot bath.
10. By means of special protective clothing, the survival time after
immersion in cold water could be extended to double the survival time of
subjects who were immersed without protective clothing.