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D-dimer...
Just a question about D-dimer, if the patient did have cellulitis, wouldn't that raise the D-dimer also? I know it's raised in rhuematoid disease, and some others...
A lot of the ER's I have worked next to don't put that much into D-dimer anyways. It's a good diagnostic tool, but has it's flaws. They order venous duplex of the legs/arms based off of clinical appearance. I'm sure some are just doing the CYA thing, not to say I don't blame them. (Good pick up with the tachycardia....)
Respectfully,
Mike
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