Emergency Central is a collection of disease, drug, and test information including 5-Minute Emergency Medicine Consult, Davis’s Drug, McGraw-Hill Medical’s Diagnosaurus®, Pocket Guide to Diagnostic Tests, and MEDLINE Journals created for emergency medicine professionals. Explore these free sample topics:
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Partial thromboplastin time, activated, plasma (aPTT)
Panic: ≥60 seconds (off heparin)
Do not contaminate specimen with heparin.