It's definitely the heart.

肯定是心包积水
It's almost too quiet to hear at all.

心跳无力基本听不到
I'm afraid so.

恐怕是的
I've been thinking about the treatments that are available.

我在琢磨可行疗法
Considerable success have been achieved over the last few years

过去几年里许多医生成功地通过用针筒
by draining the pericardial sac of the excess fluid

抽出心包积水并注入肾上腺素的方法
and administering adrenaline.

治愈了病人
Mrs. Crawley, I appreciate your thoroughness.

卡劳利夫人感谢您的周全考虑
But you're unwilling to try it?

但你不愿尝试吗
Injection of adrenaline is a comparatively new procedure.

注射肾上腺素的疗法是比较新的医疗手段
It's a while ago now,

尽管有一段时间了
but I saw my husband do it. I know how.

但我观摩过我丈夫医治过现在还记得