2013 Operations Point-of-Care Testing 
Taming the SRU
AUGUST 30, 2023
Similarly, a 2013 meta-analysis of 6 studies with 1,006 patients published in the American Journal of Emergency Medicine showed neither CRP nor PCT are sufficient to rule-in or rule-out infective endocarditis, with PCT having a pooled sensitivity of 64% and specificity of 73% and CRP having a pooled sensitivity of 75% and specificity of 73% [40].
EB Medicine
JANUARY 2, 2019
Jeff: Perhaps most importantly, no history or physical alone can rule in or out an ectopic pregnancy, for that you’ll need testing and imaging or operative findings. Jeff: Up first is the urine pregnancy test. Nachi: And that’s a perfect segue into our next section - diagnostic studies. Generally 1500 is used as the cutoff.
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