业务学习心房颤动的护理.pptxVIP

心房颤动的护理Professional custom all kinds of industry ppt templatelaugh graphic design thank you for buying this template, we mainly engaged in various types of advertising graphic design培养出医术精湛、医德高尚的全面发展的医学人才是现代医学教育的目标It is the purpose of modern medical education to foster well-developed doctors with good skills and high morals. 目录DIRECTORYlaugh graphic design thank you for buying this template, we mainly engaged in various types of advertising graphic design.A.房颤的定义C.房颤的分类Thank you to download the powerpoint templateThank you to download the powerpoint templateD.房颤的临床症状B.房颤的病因Thank you to download the powerpoint templateThank you to download the powerpoint templateIt is the purpose of modern medical education to foster well-developed doctors with good skills and high morals. 目录DIRECTORYlaugh graphic design thank you for buying this template, we mainly engaged in various types of advertising graphic design.A.房颤的危害C.房颤的护理诊断Thank you to download the powerpoint templateThank you to download the powerpoint templateD.健康教育B.房颤的护理措施Thank you to download the powerpoint templateThank you to download the powerpoint templateIt is the purpose of modern medical education to foster well-developed doctors with good skills and high morals. 房颤的定义心房颤动简称房颤，是最常见的持续性心律失常，心肌丧失了正常有规律的舒缩活动，而代之以快速而不协调的微弱蠕动，致使心房失去了正常的有效收缩。房颤总的发病率为0·4%，随着年龄增长房颤的发生率不断增加，75岁以上人群可达10%。房颤时心房激动的频率达300-600次/分，心跳频率往往快而且不规则，有时候可达100-160次/分，不仅比正常人心跳快得多，而且绝对不整齐，心房失去有效的收缩功能。房颤的病因房颤常见的病因包括高血压病、冠心病、心脏外科手术、瓣膜病、慢性肺部疾病、心力衰竭、心肌病、先天性心脏病、肺动脉栓塞、甲亢、心包炎等，与饮酒、精神紧张、水电解质或代谢失衡、严重感染等有关；此外还可以合并有其它类型心律失常。房颤的分类房颤分类的定义没有统一，按持续时间可以分为阵发性房颤、持续性房颤和永久性房颤；通常认为阵发性房颤指能在7天内自行转复为窦性心律者，一般持续时间小于48小时，持续性房颤指持续7天以上，需要药物或电击才能转复为窦性心律者；永久性房颤指不能转复为窦性心律或在转复后24小时内复发者。按有无基础心脏疾病分为病理性房颤（房颤同时伴有其他基础心脏疾病）和特发性房颤，特发性房颤往往发生在年龄较轻者，多数小于50岁，特发性房颤有时也称孤立性房颤，约占房颤患者的6%-15%。房颤的临床症状1、心悸：感到心跳紊乱或加快，体力疲乏或者劳累。2、眩晕：头晕眼花或老昏倒3、胸部不适：疼痛，或者压迫不舒服。4、气短：在轻度体力活动或休息是感到呼吸困难。房颤的体征心脏听诊心律快慢不一，心音强弱不等，节律绝对不规整。同时可发现脉搏短绌，即在同一单位时间内，脉率少于心律。房颤的心电图Ｐ波消失，代之以大小不等形状各异的f波，频率为350-600次/分R-R间期绝对不等QRＳ波一般不增宽房颤的危害房颤时心脏