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What is the difference between adrenaline and noradrenaline?

People who want to study ✨

they have similar names, adrenaline and noradrenaline 💉

Since it is often used suddenly, let's hold it down ☝️

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

i'm ichan, a surgical nurse 👩‍⚕️

@ i _ chan.kango _

Busy ward nurse 💉

Flapping every day,

Even if there is something I do not understand, I can not afford to investigate... 💦

At the end of work,

I don't have the energy to study 😣

But it's okay! ✨

Just looking here for one minute a day, confidence in work ⤴️

Learn quickly in the gap time,

Holidays are refreshing 🏖️📚

We are not responsible for any loss or damage related to this post, and we do not explain everything.

2025/11/8 Edited to

... Read more忙しい病棟だと「とりあえず昇圧…アドレナリン?ノルアド?」って一瞬迷うことがあります。私が現場で混乱しないために、よく聞かれるポイントを“実務目線”でまとめます(施設プロトコル・医師指示が最優先です)。 ■まず結論:使い分けのイメージ ・アドレナリン:α1・β1・β2を刺激。血圧を上げつつ、心機能を上げたり、気管支拡張(β2)も期待される。 ・ノルアドレナリン:α受容体を強力に刺激(主にα1)。末梢血管をしっかり収縮させて血圧を上げる。 ■適応のイメージ(看護でよく出るところ) ・アドレナリン:心停止時の蘇生で登場することが多い印象。アナフィラキシーなど「気道・循環どちらも急変」でも名前が上がりやすい。 ・ノルアドレナリン:敗血症性ショックなどで血圧低下が続く時に、持続投与で使われやすい。 ※「ノルアドレナリン 単独投与」は、他剤併用の有無よりも“まずは血圧を保つ目的で中核になる薬”として扱われることが多い、という意味合いで検索されがちです。 ■投与方法で混乱しやすい点 ・アドレナリン:急変時にボーラスで出る場面があり、指示がシンプルなことも(例:心停止時の静脈投与など)。 ・ノルアドレナリン:溶解・希釈してシリンジポンプで持続投与が基本になりやすい。希釈方法は施設で濃度が決まっていることが多いので、「うちの病棟の標準濃度」を早めにメモしておくと安心です。 ■観察(副作用・モニタの見方) ・共通:過度な血管収縮や循環負荷で、末梢冷感、尿量低下、血圧の振れ、頻脈/不整脈などを疑います。 ・ノルアドレナリンは末梢血管収縮が強い分、四肢末梢の色・冷たさ、穿刺部位の漏れ(血管外漏出)に特に敏感になります。 ・アドレナリンはβ作用で心拍数増加が目立つことがあり、心電図変化や動悸・頻脈の出方をセットで確認します。 ■受容体で覚えるコツ(自分用) ・アドレナリン=α1/β1/β2全部入り(血圧↑+心拍/収縮↑+気管支拡張) ・ノルアド=“αが強い”=血管を締めて血圧を上げる 急変時は「何を優先して上げたい?(血圧?心拍出?気道?)」を一言で整理できると、指示受けやダブルチェックがスムーズでした。必要なら、病棟の標準希釈・ポンプ設定・観察項目を1枚のまとめにしておくのが本当におすすめです。

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