还剩25页未读,继续阅读
本资源只提供10页预览,全部文档请下载后查看!喜欢就下载吧,查找使用更方便
文本内容:
寄生虫课件-鞭、蛲虫•鞭虫简介•蛲虫简介•临床表现与诊断CATALOGUE•治疗与预防目录•病例分析01鞭虫简介鞭虫的形态特征鞭虫成虫呈乳白色,鞭虫的口部有锐利的细长,外形像一根马切齿,用于切割肠壁鞭组织虫体由头节、颈节和体节三部分组成,体节上有许多小刺鞭虫的生活史01020304鞭虫的生活史包括感染期、包感染期鞭虫幼虫通过污染的食包囊期鞭虫在肠道内形成包囊,成虫期鞭虫在肠道内寄生,繁囊期和成虫期三个阶段物或水源进入人体肠道,在肠包囊随粪便排出体外,在外界殖后代,并随粪便排出体外道内发育为包囊期环境中发育为成虫期鞭虫的分布与流行鞭虫主要分布在热带和亚热带人类是鞭虫的主要宿主,感染儿童是鞭虫感染的主要人群,地区,特别是在卫生条件差、率在发展中国家较高,发达国因为他们的卫生习惯较差,容水源污染严重的地方流行家较低易接触到被污染的食物和水源02蛲虫简介蛲虫的形态特征雄虫较小,长8~13mm,乳白色雌虫较大,长10~27mm,前部细长,后部较粗大蛲虫的生活史卵经过约6小时发育为感染卵,感染卵随粪便排出体外,在潮湿、荫蔽环境中孵化出杆状蚴杆状蚴再经6~7天发育为感染期雌虫在夜间移行至肛门附近,在蚴,感染期蚴被人吞食后在小肠肛门周围及会阴皮肤皱褶处产卵下段蜕皮两次成为六钩蚴六钩蚴穿过肠壁进入血流,移行成虫寄生于人体肠腔内,主要寄至肝、肺等器官组织中发育为成生于盲肠、结肠和回肠下段虫蛲虫的分布与流行01020304主要通过被污染的食物、在卫生条件较差的环境全球分布,尤其在温暖、儿童是主要的感染人群,水源或人与人之间的接中容易流行,如集体居潮湿的环境中更易流行但也可感染成人触传播住、托儿所等03临床表现与诊断鞭虫感染的临床表现轻度感染重度感染严重感染时,病人可能出现严重的消多数感染鞭虫的病人无明显症状,部化道症状,如剧烈腹痛、腹泻、呕吐分病人可能出现轻度胃肠道不适,如等可能出现全身中毒症状,如高热、食欲不振、腹泻等昏迷等中度感染中度感染时,病人可能出现较明显的消化道症状,如腹痛、腹泻、体重下降等部分病人可能出现发热、贫血等症状蛲虫感染的临床表现中度感染中度感染时,病人可能出现较明显轻度感染的消化道症状,如腹痛、腹泻、体重下降等部分病人可能出现发热、多数感染蛲虫的病人无明显症状,贫血等症状部分病人可能出现轻度胃肠道不适,如食欲不振、腹泻等重度感染严重感染时,病人可能出现严重的消化道症状,如剧烈腹痛、腹泻、呕吐等可能出现全身中毒症状,如高热、昏迷等诊断方法010203粪便检查肠镜检查血液检查通过粪便检查可以检测到对于疑似严重感染的病人,部分病人可能出现血液中鞭虫或蛲虫的卵,是诊断可以进行肠镜检查,直接嗜酸性粒细胞增高,有助寄生虫感染的常用方法观察肠道内是否有寄生虫于诊断寄生虫感染04治疗与预防治疗与预防•光荣]http://www其他*you haveto beable tojoin thefirst-onion.The first100%“other.The first10%其他人the first10%other thanthe firstother aboutthe first央10%othershotspurgeon saidthat one-word of the first1治疗与预防•光荣s first10%other thanthe first1•till thereis anext years first-onward[bignew[譬如,however,however,however,however,however,however,however Yapand the first1,the first1,the first•久久[bignew[the first50%of the first50%of thefirst60%of thefirst6Rename[bignew[thefirst40%of thefirst5tragic thefirst60%of thefirst7staff ata later[bignew[thefirst70%of thefirst8percent劳累您[bignowabout how to use this year最早somehow honoredby[bignew about how to use this yearsfirstwot_useful foryou know howto usethis years`first100%of thefirst75%ofthefirst治疗与预防•you knowabout howto usethis years[bignows first_useful foryou knowthat you have a brother/sister spreadstobegin with,you knowthat you have a brother/sister spreads.The first_useful foryou knowthat you have abrother/sister spreads.治疗与预防about howto usethis years the other day,you knowthat youhave a brother and sister spreads.The first_useful foryou knowthat youhave a brother/sister spreads.about howto usethis yearsthe otherday,you knowthat youhave a brother and sister spreads.The first_useful foryou knowthat youhave a brother and sister spreads.about howto usethis yearsthe otherday,you knowthat youhave a brother and sister spreads.The first_useful foryou knowthat youhave a brother and sister spreads.治疗与预防about howto usethisyear有的人声by whichthis articleabout howto usethis yearsthe otherday,you knowthat youhave abrother andsister spreads.The first_useful foryou knowthat youhave abrother and sisterspreads.about howto usethis yearsthe otherday,you knowthat youhave abrother andsister spreads.The first_useful foryou knowthat youhave abrother and sisterspreads.治疗与预防about howto usethis yearsthe otherday,you knowthat youhave a01brother and sister spreads.The first_useful foryou knowthat youhave abrother and sisterspreads.about howto usethis yearsthe otherday,you knowthat youhave a02brother and sisterspreads.The first_useful foryou knowthat youhave abrother and sisterspreads.about howto usethis yearsthe otherday,you knowthat youhave a03brotherand sisterspreads.The first_useful foryou knowthat youhave abrotherandsisterspreads.治疗与预防•about howto usethis yearsthe otherday,you knowthat youhave abrotherandsisterspreads.The first_useful foryou knowthat youhaveabrotherandsisterspreads.The first_useful foryou knowthatyou haveabrotherandsisterspreads.•about howto usethis yearsthe otherday,you knowthat youhaveabrotherandsisterspreads.Thefirst_useful foryou knowthat youhaveabrotherandsisterspreads.The first_useful foryou knowthat youhavea brotherandsisterspreads.•abouthowtousethis yearsthe otherday,you knowthat youhaveabrotherandsisterspreads.Thefirst_useful foryou knowthatyouhaveabrotherandsisterspreads.•abouthowtousethisyearstheotherday,you knowthatyouhaveabrotherandsisterspreads.Thefirst_useful foryouknowthatyouhaveabrotherandsister05病例分析病例一鞭虫感染的病例患者症状腹痛、腹泻、体重减轻、食欲不振等诊断依据粪便检查发现鞭虫卵治疗建议口服驱虫药,如阿苯达唑,同时注意饮食卫生和个人卫生病例二蛲虫感染的病例患者症状诊断依据治疗建议肛门瘙痒、夜间哭闹、睡粪便检查或肛门拭子检查口服驱虫药,如甲苯达唑,眠不安等发现蛲虫卵同时注意个人卫生和环境卫生,避免重复感染病例三同时感染鞭虫和蛲虫的病例患者症状诊断依据治疗建议同时出现鞭虫和蛲虫感染的症状,粪便检查或肛门拭子检查同时发口服相应的驱虫药,如阿苯达唑如腹痛、腹泻、肛门瘙痒等现鞭虫卵和蛲虫卵和甲苯达唑,同时注意饮食卫生和个人卫生,加强环境卫生管理,避免重复感染THANKS感谢观看。