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Old 06-23-2012
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Question Negative findings for the new PN?

Hi all:

For the new PN, on the differential diagnosis we have to list postive or negative findings to support our Dx as possible. Can someone please talk about it?
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Old 08-30-2012
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Default what is the pertinent negatives exactly?

yes please.. are the pertinent negatives, negative findings to support our diagnosis or just negatives that favor another likely diagnosis??
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Old 09-07-2012
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Default

yes please... I can't understand negative sign thing !!
for example should I list (no Murphy's sign) in the physical exam findings for renal cell carcinoma??!!
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Old 09-09-2012
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Default documenting pertinent negatives

from what I have understood and have been told from ppl who have taken the exam and that are now residents, the pertinent negatives help you exclude a differential diagnosis you are considering.

Let's say you strongly suspect appendicitits from HPI of the patient...
But when you examine him/her you find a "normal" abd exam: no rebound, rovsing or psoas then those would be negatives.

pertinent negatives are absence of signs/symp you would associate with a certain complaint..
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Old 09-09-2012
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Default however...

Quote:
Originally Posted by miss_lena View Post
from what I have understood and have been told from ppl who have taken the exam and that are now residents, the pertinent negatives help you exclude a differential diagnosis you are considering.

Let's say you strongly suspect appendicitits from HPI of the patient...
But when you examine him/her you find a "normal" abd exam: no rebound, rovsing or psoas then those would be negatives.

pertinent negatives are absence of signs/symp you would associate with a certain complaint..
Like some other ppl here have mentioned..it is possible to leave the PE component with findings supporting your diagnosis blank if you can't find anything to support that specific differential..instead write pertinent negatives in the Hx part if you have something there..the example pt note on the usmle website does not really have a lot of findings on the PE for the DDx they have listed..

and finally..from what I have heard, there are usually some positive findings on PE with the real CS exam..
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