周?chē)芗膊〔∪说淖o(hù)理課件整理

《外科護(hù)理學(xué)》多媒體課件外利理學(xué)ShiHeZiUniversityMedicalCollegeSurgicalNursing外婦護(hù)理學(xué)教研室一一《外科護(hù)理學(xué)》課程組《外科護(hù)理學(xué)》多媒體課件1第二十六章:周?chē)芗膊〔∪说淖o(hù)理第二十六章:周?chē)芗?原下敢脈曲張(單純性靜脈曲張)(Primarylowerextremityvaricoseveins)原下敢脈曲張3【定義】下肢靜脈曲張是指下肢淺表靜脈因血流障礙而引起的靜脈擴(kuò)張迂曲,呈曲張狀態(tài)下肢靜脈曲張常見(jiàn),系指下肢淺靜脈系統(tǒng)紆曲、伸長(zhǎng)和擴(kuò)張。原發(fā)性下肢深靜脈瓣膜功能不全、下肢深靜脈血栓形成及單大隱靜脈交通支小隱靜脈純性下肢靜脈曲張等都可引起下肢靜脈曲張【定義】4單純性靜脈曲張即往稱(chēng)原發(fā)性下肢靜脈曲張,系指病變范圍僅位于下肢淺靜脈者大多發(fā)生在大隱靜脈大隱靜脈小隱靜脈少數(shù)合并小隱靜脈曲交通支張或單獨(dú)發(fā)生在小隱靜脈。單純性靜脈曲張即5下肢靜脈的解剖與生理特點(diǎn)下肢靜脈分為深靜脈與淺靜脈兩組?！裆铎o脈在肌肉之間與同名深淺V動(dòng)脈伴行。●淺靜脈在筋膜淺面,分大隱靜脈與小隱靜脈。交通靜脈位于深淺靜脈之間大、小隱靜脈之間下肢靜脈的解剖與生理特點(diǎn)6■淺靜脈:位于皮下大隱靜脈〓→股總靜脈就;靜期E院靜大隱靜脈起源于足背靜脈網(wǎng)內(nèi)側(cè),經(jīng)內(nèi)踝前方、下肢內(nèi)側(cè)上行,穿過(guò)卵園窩匯入股靜脈。在入股靜脈之前的5~7cm一段中,有3~7個(gè)分支,而以5支最為多見(jiàn),其分別為腹壁淺靜脈,旋髂淺靜脈、陰部外靜脈、股外側(cè)靜脈和股內(nèi)側(cè)靜脈■淺靜脈:位于皮下7■小隱靜脈■→靦靜脈小隱靜脈起自足背靜-厘J脈網(wǎng)的外側(cè),經(jīng)外踝后沿小腿后外側(cè)上行,在胭窩穿過(guò)深筋膜匯入胭靜脈■小隱靜脈■→靦靜脈8■靜脈瓣膜:交會(huì)點(diǎn)使下肢靜脈血流由下向上,由淺入深地單向回流。在下肢深、淺靜脈和交通支靜脈內(nèi),都有瓣膜存在。大隱靜脈進(jìn)入股靜脈附近,小隱靜脈匯入胭靜脈的開(kāi)口,以及深淺靜脈交通支靜脈內(nèi),均有較堅(jiān)強(qiáng)的瓣膜存在。這些瓣膜呈單向開(kāi)放保持血流從遠(yuǎn)端向近正肀自,審向下紲流端或由淺向深部流動(dòng)。形感即引■靜脈瓣膜:9病靜脈壁軟弱、靜脈瓣缺陷、淺靜脈內(nèi)壓力持續(xù)增髙先天性因素:先天性靜脈瓣膜稀少或缺如、靜脈變會(huì)點(diǎn)壁薄弱而猴袋后天性因素:長(zhǎng)上榮向期站立、重體力勞動(dòng)、妊娠、慢性咳嗽、習(xí)慣性便秘靜脈壓增高腹內(nèi)壓增高病10周?chē)芗膊〔∪说淖o(hù)理課件整理11周?chē)芗膊〔∪说淖o(hù)理課件整理12周?chē)芗膊〔∪说淖o(hù)理課件整理13周?chē)芗膊〔∪说淖o(hù)理課件整理14周?chē)芗膊〔∪说淖o(hù)理課件整理15周?chē)芗膊〔∪说淖o(hù)理課件整理16周?chē)芗膊〔∪说淖o(hù)理課件整理17周?chē)芗膊〔∪说淖o(hù)理課件整理18周?chē)芗膊〔∪说淖o(hù)理課件整理19周?chē)芗膊〔∪说淖o(hù)理課件整理20周?chē)芗膊〔∪说淖o(hù)理課件整理21周?chē)芗膊〔∪说淖o(hù)理課件整理22周?chē)芗膊〔∪说淖o(hù)理課件整理23周?chē)芗膊〔∪说淖o(hù)理課件整理24周?chē)芗膊〔∪说淖o(hù)理課件整理25周?chē)芗膊〔∪说淖o(hù)理課件整理26周?chē)芗膊〔∪说淖o(hù)理課件整理27周?chē)芗膊〔∪说淖o(hù)理課件整理28周?chē)芗膊〔∪说淖o(hù)理課件整理29周?chē)芗膊〔∪说淖o(hù)理課件整理30周?chē)芗膊〔∪说淖o(hù)理課件整理31周?chē)芗膊〔∪说淖o(hù)理課件整理32周?chē)芗膊〔∪说淖o(hù)理課件整理33周?chē)芗膊〔∪说淖o(hù)理課件整理34周?chē)芗膊〔∪说淖o(hù)理課件整理35周?chē)芗膊〔∪说淖o(hù)理課件整理36周?chē)芗膊〔∪说淖o(hù)理課件整理37周?chē)芗膊〔∪说淖o(hù)理課件整理38周?chē)芗膊〔∪说淖o(hù)理課件整理39周?chē)芗膊〔∪说淖o(hù)理課件整理40周?chē)芗膊〔∪说淖o(hù)理課件整理41周?chē)芗膊〔∪说淖o(hù)理課件整理42周?chē)芗膊〔∪说淖o(hù)理課件整理43周?chē)芗膊〔∪说淖o(hù)理課件整理44周?chē)芗膊〔∪说淖o(hù)理課件整理45周?chē)芗膊〔∪说淖o(hù)理課件整理46周?chē)芗膊〔∪说淖o(hù)理課件整理47周?chē)芗膊〔∪说淖o(hù)理課件整理48周?chē)芗膊〔∪说淖o(hù)理課件整理49周?chē)芗膊〔∪说淖o(hù)理課件整理50周?chē)芗膊〔∪说淖o(hù)理課件整理51周?chē)芗膊〔∪说淖o(hù)理課件整理52周?chē)芗膊〔∪说淖o(hù)理課件整理53周?chē)芗膊〔∪说淖o(hù)理課件整理54周?chē)芗膊〔∪说淖o(hù)理課件整理55周?chē)芗膊〔∪说淖o(hù)理課件整理56周?chē)芗膊〔∪说淖o(hù)理課件整理57周?chē)芗膊〔∪说淖o(hù)理課件整理58周?chē)芗膊〔∪说淖o(hù)理課件整理59周?chē)芗膊〔∪说淖o(hù)理課件整理60周?chē)芗膊〔∪说淖o(hù)理課件整理61周?chē)芗膊〔∪说淖o(hù)理課件整理62周?chē)芗膊〔∪说淖o(hù)理課件整理63周?chē)芗膊〔∪说淖o(hù)理課件整理64周?chē)芗膊〔∪说淖o(hù)理課件整理65周?chē)芗膊〔∪说淖o(hù)理課件整理66周?chē)芗膊〔∪说淖o(hù)理課件整理67周?chē)芗膊〔∪说淖o(hù)理課件整理68周?chē)芗膊〔∪说淖o(hù)理課件整理69周?chē)芗膊〔∪说淖o(hù)理課件整理70周?chē)芗膊〔∪说淖o(hù)理課件整理71周?chē)芗膊〔∪说淖o(hù)理課件整理72周?chē)芗膊〔∪说淖o(hù)理課件整理73周?chē)芗膊〔∪说淖o(hù)理課件整理74周?chē)芗膊〔∪说淖o(hù)理課件整理75周?chē)芗膊〔∪说淖o(hù)理課件整理76周?chē)芗膊〔∪说淖o(hù)理課件整理77周?chē)芗膊〔∪说淖o(hù)理課件整理78周?chē)芗膊〔∪说淖o(hù)理課件整理79周?chē)芗膊〔∪说淖o(hù)理課件整理80周?chē)芗膊〔∪说淖o(hù)理課件整理81周?chē)芗膊〔∪说淖o(hù)理課件整理82周?chē)芗膊〔∪说淖o(hù)理課件整理83周?chē)芗膊〔∪说淖o(hù)理課件整理84周?chē)芗膊〔∪说淖o(hù)理課件整理85周?chē)芗膊〔∪说淖o(hù)理課件整理86周?chē)芗膊〔∪说淖o(hù)理課件整理87周?chē)芗膊〔∪说淖o(hù)理課件整理88周?chē)芗膊〔∪说淖o(hù)理課件整理89周?chē)芗膊〔∪说淖o(hù)理課件整理90周?chē)芗膊〔∪说淖o(hù)理課件整理91周?chē)芗膊〔∪说淖o(hù)理課件整理92周?chē)芗膊〔∪说淖o(hù)理課件整理93周?chē)芗膊〔∪说淖o(hù)理課件整理94周?chē)芗膊〔∪说淖o(hù)理課件整理95周?chē)芗膊〔∪说淖o(hù)理課件整理96周?chē)芗膊〔∪说淖o(hù)理課件整理97周?chē)芗膊〔∪说淖o(hù)理課件整理98周?chē)芗膊〔∪说淖o(hù)理課件整理99周?chē)芗膊〔∪说淖o(hù)理課件整