
Slam二三事
@slam234hi • 45,018 subscribers
純粹資訊共享 紀錄見聞 書寫心得 抒發情感/ 可以傳訊 也可以在貼文下留言 只是都不一定能夠即時回覆/已經在貼文講過的事情切莫再問/不閒聊/不爭論/不約玩/不幫打/不換照/不交友/不幫調/踩雷犯忌太白目會被封鎖/未滿十八請勿入內🔞/支持娛樂用藥除罪化 去績效化 /娛樂用藥屬於公衛問題而非刑事犯罪/支持娛樂用藥減害
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靜脈注射(如抽血或打點滴)時,選擇從「靜脈正上方」順著血管走向進針,而不是從「側邊有角度」刺入,主要是基於解剖結構與流體力學的考量。 主要原因包括: ✅避免血管滑動(滾動靜脈) 皮下靜脈缺乏強力的周圍組織固定,具有彈性且容易滑動。如果從側面斜向推擠,針頭容易把血管「推開」而不是「刺入」,導致穿刺失敗。從正上方配合拉緊皮膚固定,能順利將血管鎖定並刺入。 ✅防止貫穿或刺破血管壁 血管呈圓柱管狀。從正上方進針時,針頭有足夠的管腔空間容納;若從側邊刺入,針頭容易打偏,劃破血管側壁,造成血液滲漏至皮下組織,引發瘀血或血腫。 ✅順應血管走向,利於平放進針 當針頭刺入血管出現回血後,護理人員會降低角度,順著血管方向將針頭或留置針軟管再深入推進少許。如果是從側邊穿入,針頭方向與血管呈斜角,推進時針尖極易撞擊或刺穿對側血管壁。 ✅降低神經與週邊組織損傷 靜脈兩側通常伴行著微小神經末梢與微血管。從側邊橫向穿刺容易刮傷周圍組織,增加疼痛感;由正上方直刺並順著血管延伸,能大幅減少對皮下組織的破壞。 #漏針會腫一包痛痛喔🥹
Slam二三事96,461 views • 1 month ago

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