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醫(yī)學(xué)文章閱讀——Heart rhythm

發(fā)布時(shí)間： 2025-07-15 09:49:38 作者：etogether.net 來(lái)源：網(wǎng)絡(luò) 瀏覽次數(shù)：

摘要: In an irregular rhythm (arrhythmia), there may be early beats which interrupt the regular rhythm (premature beats);

The normal resting heart rate is 65-75 beats per minute. In athletes it may be as low as 40 beats per minute. In extreme athletic activity, the heart rate can go as high as 200/min. The heart rhythm may be regular or irregular. In an irregular rhythm (arrhythmia), there may be early beats which interrupt the regular rhythm (premature beats); or the thythm may vary with respiration; or it may be completely irregular, as in fibrillation. When patients are aware of irregularity,they describe the symptom as palpitations.

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