以雄性Wistar大鼠为实验动物,观察不同频率的100dB(A)稳态噪声对大鼠心肌离子代谢的影响。其中高、低频噪声的主频率分别为4K Hz和250Hz。结果表明,短期(4周)的噪声暴露可使大鼠的脏体比例系数升高;心肌离子浓度变化呈现明显的频率和时间差别,其中钾钙镁均降低,钠在4周时升高,8周时降低。 Male Wistar rats were used as experimental animals to observe the effects of 100dB (A) steady-state noise of different frequencies on myocardial ion metabolism in rats. Among them, the main frequencies of high-frequency and low-frequency noise are 4K Hz and 250 Hz, respectively. The results showed that short-term (4 weeks) noise exposure could increase the proportion of rat body’s coefficient of proportion. The changes of myocardial ion concentration showed obvious difference in frequency and time, in which potassium-calcium-magnesium decreased, sodium increased at 4-week, Lowering.