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别忽视老年人心衰的早期信号
作者:未知 来源:39健康网 日期:[2010/12/11 11:17:44]

老年人的心衰是老年心脏病比较严重的最后阶段,不但危及老人的生命,带来巨大痛苦;也给家属带来恐慌,造成重大精神和经济负担。而老年人的心衰,又常常被忽略。因此,注意扑捉老年人心衰的蛛丝马迹,警惕老年人心衰的早期信号,早发现,早治疗,实属必要。以下早期信号,值得注意:

1.     咳嗽、胸闷、气短:并没感冒,就有气短、胸闷伴有咳嗽。夜间睡梦中常憋醒,起来坐一阵能好转;即‘夜间阵发性呼吸困难’。活动、劳累后有时气喘,多在走路或上楼时发生。夜间平卧时,咳嗽、胸闷、气短加重,坐位时好转。这是因为,夜间迷走神经兴奋性高,气管、支气管痉挛,气道阻力高;平卧时,回心血量增加,加重了左心衰竭时的肺淤血。

2.     少尿、下肢浮肿:常是右心衰竭的早期表现。因为右心衰竭时,体循环淤血,容易出现下肢和脚的水肿,活动以后更明显。心衰时,循环血量减少,肾脏供血不足,肾小球滤过率降低,总尿量减少,白天尿少明显;到了夜间平卧入睡时,回心血量增加,肾循环改善,所以夜尿又较多。

3.     疲倦、乏力:常常觉见疲倦、乏力,提不起精神来,甚至连话都懒得说;动辄心慌、气短。常误认为是老年人年老体衰,而被患者和家属所忽略。其实,这是心衰时,心脏排血量减少,全身骨骼肌供血不足,故易疲劳无力,少气无力,懒言少动。心肌供血也相对减少,故活动后心慌气短。

4.     消化道症状:由于右心衰竭时,胃肠道淤血,患者常有食欲不振、腹胀,甚至恶心与呕吐。

5.     失眠、烦躁、头晕:老年人常有脑动脉硬化,心衰后,由于心脏排血量减少,脑供血不足加重,伴有脑缺氧。因此,出现头晕、烦躁失眠;甚至出现幻觉、妄想、意识不清。常常被误认为是老年精神病、脑中风等。

6.无明显原因,出现心慌、头晕、低血压、出冷汗、手脚冰凉。

扑捉到老年人这些可能是早期心衰的信号,就要及时请医生判断;以便尽快采取防治措施。

 

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