Influence of sea sickness elixir on changes in cardiac rhythm in subjects susceptible to sea-sickness susceptibility / 解放军医学杂志

ABSTRACT

Objective To observe the influence of sea sickness elixir on changes in cardiar rhythm in subjects susceptible to sea-sickness. Methods In a double-blind control test, 50 volunteers, 10 persons not susceptible to sea-sickness (controll group) and 40 persons susceptible to sea-sickness to travel their first sea voyage were enrolled. They were divided into three groups, control group (n=10), placebo group (n=20) and test group (n=20). Sea sickness elixir or placebo was administered half an hour before the sea voyage. The 4h dynamic electrocardiogram was collected and the changes in heart rhythm was analyzed using time-domain, frequency domain analysis methods. Meanwhile the symptoms of sea sickness were recorded. Results Sea sickness elixir did have the effect of preventing sea-sickness. The effective rate in the test group (85%) was significantly higher than control group (20%) (P