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Medicalpractice版 - 【参加征文活动】Pregnancy, chest pain and other disasters
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话题: pe话题: dimer话题: ct话题: pregnancy话题: negative
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1 (共1页)
n*******c
发帖数: 501
1
声明:本文纯属虚构,亦非本人真实经历,甚至有可能为代笔(按方某人的逻辑),各
位切勿对号入座,以假当真。
“嘟嘟…嘟嘟”page响了,该死,又是夺魂追命call,一看号码,糟糕,是妇产科病房。
值班最怕妇产科病人call了,产后的也就算了,产前的个个症状都不简单,有点什么内
科问题检查不敢随便做,药也不好随便用,得非常小心才行。
果然,33周孕妇,突发尖锐剧烈胸痛10/10,已经用了很多止痛药,疼痛还是没有缓解
,所以才内科急会诊。
看了病人,果不其然,又是那种似是而非的情况,年轻健康女性,初孕33周,产前一切
检查都没什么问题,这次入院是有些RUQ痛,大概妇产科不放心怕有急腹症的情况留院
观察的。现在腹痛缓解了很多,入院血液检查也都一切正常,本来病人已经准备明天办
出院的,不曾想今天出现了胸痛。
检查病人,气促,双肺呼吸音略弱但无罗音或哮鸣音,心脏和腹部都大致正常。监控显
示血压正常和SaO299% on ambient air.心电图显示sinus tachycardia,其他正常。
“what are you gonna do?”妇产科的医生催促着…“CTG is fine at the moment
but we cannot wait like this for too long…”
稳住稳住,我一边在心里提醒自己,一边迅速的order了血液检查,CXR和leg Doppler
,又叫值班intern给他做了个ABG,心里开始迅速的思考。
虽然知道不应该,可是这时还是很不厚道的希望doppler是阳性,个中原因相信各位应
该了解…
越怕黑越见鬼,结果出来了:
CXR: hypoinflation but essentially normal
Trop was negative
ABG showed mildly increased A-a gradient
Leg Doppler showed no DVT.
下一步该怎么办呢,病人的胸痛还是没有缓解,丈夫焦急的望着妻子,另一边是妇产科
医生不耐烦的目光…
(码字好累啊,欲知后事如何,请听下回分解,欢迎发表高见预测故事结局,呵呵)
R*******t
发帖数: 367
2
太吊胃口了,然后呢?
估计PE还没有完全排除。
A*******s
发帖数: 9638
3
我会查amylase/lipase。
ruby, 你肯定在等她order吧, CT还是CTA还是VQ-scan?lol
d********y
发帖数: 616
4
我会order CTA,快一些,先排除PE和膈疝.栓子未必来源于下肢,可能来源于羊水。
R*******t
发帖数: 367
5
How about alk phos? I would also do an U/S of abdomen checking for acute
cholecystitis too.
If PE is still a clinical suspicion, CT of thorax PE protocol is preferred
over V/Q scan, since the nuclear tracer Tc-99m MAA is excreted to the
bladder and has more radiation to the fetus. But we need cover her tummy
with lead apron when performing the CT.
I have a question about D-dimer, I have seen people order that for PE, but
is it specific enough?

【在 A*******s 的大作中提到】
: 我会查amylase/lipase。
: ruby, 你肯定在等她order吧, CT还是CTA还是VQ-scan?lol

A*******s
发帖数: 9638
6
Thanks for the education.
alk phos is also non-specific. Regarding D-dimer, our cardiologist believes
it is a scam or conspiracy of radiologists and ER Docs. lol. Only 1% D-
dimer positive has a PE, but 99% negative gets CT anyway. No wonder
radiologists get a nice pay. :)

【在 R*******t 的大作中提到】
: How about alk phos? I would also do an U/S of abdomen checking for acute
: cholecystitis too.
: If PE is still a clinical suspicion, CT of thorax PE protocol is preferred
: over V/Q scan, since the nuclear tracer Tc-99m MAA is excreted to the
: bladder and has more radiation to the fetus. But we need cover her tummy
: with lead apron when performing the CT.
: I have a question about D-dimer, I have seen people order that for PE, but
: is it specific enough?

R*******t
发帖数: 367
7
我也觉得 d-dimer挺怪的,以前值班时,看D-dimer positive的,急诊order CT r/o
PE, 结果 D-dimer negative的,也还order,硬是没摸出规律来。lol 后来就不看了。

believes

【在 A*******s 的大作中提到】
: Thanks for the education.
: alk phos is also non-specific. Regarding D-dimer, our cardiologist believes
: it is a scam or conspiracy of radiologists and ER Docs. lol. Only 1% D-
: dimer positive has a PE, but 99% negative gets CT anyway. No wonder
: radiologists get a nice pay. :)

s**********t
发帖数: 217
8
The D-dimer things depends on the method your lab use. It was useless back
to 5-8 years ago. Now I think, in the last 5 year, the labs use the new
method to detect D-dimer. If the D-dimer is negative, you can rule out PE 99
%. Alon with negative doppler, you can rule out PE 100%. in low and moderate
risk for PE patients.

【在 R*******t 的大作中提到】
: 我也觉得 d-dimer挺怪的,以前值班时,看D-dimer positive的,急诊order CT r/o
: PE, 结果 D-dimer negative的,也还order,硬是没摸出规律来。lol 后来就不看了。
:
: believes

A*******s
发帖数: 9638
9
How about positive? Automatically CT?

99
moderate

【在 s**********t 的大作中提到】
: The D-dimer things depends on the method your lab use. It was useless back
: to 5-8 years ago. Now I think, in the last 5 year, the labs use the new
: method to detect D-dimer. If the D-dimer is negative, you can rule out PE 99
: %. Alon with negative doppler, you can rule out PE 100%. in low and moderate
: risk for PE patients.

n*******c
发帖数: 501
10
D-Dimer
这个问题争论已久,现实是诊断PE最主要还是靠临床先评估risk,如果临床上一点都不
支持PE,那就宁愿不做,因为你知道negative不会改变结局,positive你也不会因此CT
,反而费尽心机解释,不如不做。high risk的你知道即使negative你也不放心最终也
是要CT的那就不如不做。所以order之前一定要自己能说服自己这个病人postive我就
orderCTA而negative我就不做CTA才行。
上面这个病人我是order了的,主要是因为我太想给她一个机会不做CTA的...这个病人
risk 主要是pregnancy和immobile due to RUQ pain,像“林海雪原”大哥说的,如果
doppler negative且d-dimer negative,我不会那么着急order CTA,除非临床上又发
生了变化比如血氧掉了或haemodynamically unstable,不过那样的话可能查不查也不
重要了,床边超声木有dissection就直接上heparin了...
相关主题
Don't jump, please求建议 -- 心脏部位不舒服
Acid-base disordersa case
[参加活动]这两周的sub-i做了很多的窘事。【Case Conference】Proposal for weekly case discussion
进入Medicalpractice版参与讨论
n*******c
发帖数: 501
11
糖姐姐啊,可惜我遇到的那个医生不像您这么善解人意啊...

【在 R*******t 的大作中提到】
: How about alk phos? I would also do an U/S of abdomen checking for acute
: cholecystitis too.
: If PE is still a clinical suspicion, CT of thorax PE protocol is preferred
: over V/Q scan, since the nuclear tracer Tc-99m MAA is excreted to the
: bladder and has more radiation to the fetus. But we need cover her tummy
: with lead apron when performing the CT.
: I have a question about D-dimer, I have seen people order that for PE, but
: is it specific enough?

n*******c
发帖数: 501
12
今天比较忙,明天再续,诸位莫走开。
希望明天续的时候阅读人数能超过200...(真虚荣啊)
d********y
发帖数: 616
13
这里面ABG A-a的差异是增加的呀。要么A增加要么a减低才有可能造成两者的差值增加。hypoinflation是不是可以除外A增加。那么就剩a了。
而a的减低就直指血液动力学的变化。这时候CTA是最有效,最省时间的方法啊。
欢迎拍砖,让我在挣扎中成长。

CT

【在 n*******c 的大作中提到】
: D-Dimer
: 这个问题争论已久,现实是诊断PE最主要还是靠临床先评估risk,如果临床上一点都不
: 支持PE,那就宁愿不做,因为你知道negative不会改变结局,positive你也不会因此CT
: ,反而费尽心机解释,不如不做。high risk的你知道即使negative你也不放心最终也
: 是要CT的那就不如不做。所以order之前一定要自己能说服自己这个病人postive我就
: orderCTA而negative我就不做CTA才行。
: 上面这个病人我是order了的,主要是因为我太想给她一个机会不做CTA的...这个病人
: risk 主要是pregnancy和immobile due to RUQ pain,像“林海雪原”大哥说的,如果
: doppler negative且d-dimer negative,我不会那么着急order CTA,除非临床上又发
: 生了变化比如血氧掉了或haemodynamically unstable,不过那样的话可能查不查也不

n*******c
发帖数: 501
14
All you said is very true. However things get complicated in pregnancy...
s******v
发帖数: 477
15
My guess is hiatal herniation if the increased A-a gradient is negligible.
1 (共1页)
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【征文活动】Pregnancy, chest pain and other disasters 2求建议 -- 心脏部位不舒服
开版一个月, 我有话要说。a case
第二个失败的CASE(Not a presenation)【Case Conference】Proposal for weekly case discussion
【参加征文活动】是什么造成了她呼吸困难?吴英恺大夫的传奇
相关话题的讨论汇总
话题: pe话题: dimer话题: ct话题: pregnancy话题: negative