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2.去除氧化汞。(顯示管中為黑色)
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3.清潔指示管。
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4.保持毛孔通暢。
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當水銀柱破裂或起泡時,應反復過濾水銀,水銀泄漏時應清除氧化汞,零位不準時應清洗指示管,靈敏度差時應保持氣孔暢通。
擴展數據:
水銀血壓計是血壓計的壹種,主要由水銀組成。它誕生於1928年的英國。最早的血壓計是用來測量馬的血壓,後來被用來測量人的血壓。
由於血流方向的原因,左手和右手測得的血壓通常有些不同;通常右手血壓值略高於左手,但相差10~20mmHg是正常的。但記錄時應以高實測數據為準。如果雙手相差40 ~ 50mmhg以上,可能是血管堵塞,最好咨詢醫生,查明原因。
只測壹次血壓是不合適的。妳應該每天測量幾次血壓並記錄下來,以便了解妳壹天中血壓的變化。
最好是在自己家裏放松的時候測血壓,因為有些人在醫療機構測血壓會感到緊張,導致血壓升高。醫學上稱之為“白衣高血壓”,在家測血壓可以克服這種情況。
傳統的水銀血壓計會受到熱脹冷縮的影響,平均每半年要校準壹次零位。
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