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Welcome to ERCast, a focused discussion on the questions, quagmires and known unknowns we face everyday in the emergency department.

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Oct 2, 2012

There is no perfect way to rule out pulmonary embolism. But what if we could change the game and move the d-dimer cutoff higher in the low risk patient? From 500 ng/ML to 1000ng/mL. You’d think that the specificity of the test would improve - fewer false positives. But what would we sacrifice in sensitivity? Would we...