So, first things first. I'm gonna numb the area.

那么 首先 我要做醉。

She only had local anesthetics in her history, no general.

她只使用过醉剂 没有全身醉的记录。

Regional anesthesia blocks pain signals from a specific part of the body from getting to the brain.

醉阻断 身体特定位的疼痛讯号传递至脑。

Procedure The procedure is preferably done under general anesthesia, but emergency cases may necessitate local anesthesia only.

气管切开术过程手术最好在全身醉下进行，但紧急情况可能只需要醉。

Patients only receive regional anesthesia and must stay still while the long needle is inserted into the chest.

病人只接受醉，在长针插入胸时必须保持不动。

We train nurses to do it, and they use local anesthetics.

我们培训护士去做，他们使用醉剂。

It's not the same as local anesthesia, you know.

这可不像醉那么简单。

Tell the doctor all I need is a local anesthetic to numb the area.

告诉医生我只需要一种醉剂来醉该区域。

A local anaesthetic affects only one part of the body.

醉只影响身体的一。

Local anaesthesia is often used for a minor skin or dental procedure.

醉常用于小的皮肤或牙科手术。

And he said, you had it with a local anesthetic?

他说，你当时是用醉做的吗？

It's just a squirt of local anaesthetic.

这是一种醉注射器。

By the end of it l needed the Novocain.

最后，我都要用上奴佛卡因(一种醉剂)了.

That's the purpose of a " local anesthetic."

这就是“醉剂” 的目的。

So we could just say local anesthetics or anesthetic injections.

所以我们可以说醉剂或醉注射剂。

Today, anesthesiologists often combine regional, inhalational, and intravenous agents to get the right balance for a surgery.

如今，醉医师常将醉、吸入醉和静脉醉药物结合使用，以达到手术所需的理想平衡状态。

We explained " local anesthetic" as being a drug that prevents pain in a certain part of your body.

我们将“醉剂” 解释为一种可以防止身体特定位疼痛的药物。

It causes less pain and bleeding, a local anaesthetic is usually sufficient, and the patient recovers quickly.

它引发较少的疼痛和出血， 通常醉即可满足需求，患者也能迅速康复。

Throughout the early 1880s, Freud studied how cocaine could be used as a local anaesthetic and a treatment for depression.

在整19世纪80年代初，弗洛伊德研究了可卡因如何可以用作醉剂以及治疗抑郁症的方法。

They also experimented with local anaesthetics applied to smaller areas of the body, and initially used the South American alkaloid cocaine.

他们还试验了应用于身体较小区域的醉剂，并最初使用了南美的生物碱可卡因。