Ref: Journalfeed. Can we trust D-dimer for VTE in CoVID? Multicenter retrospective observational study, n=1158.CTPA + D-dimerD-dimer within 24hrs of CTPA (not always prior to)For CoVID+: Sens 100% (ie. all with d-dim>cutoff +PE), spec 11.9%. NPV 100%.CoViD-: sens 97.6%, spec 14.4%, NPV 98.3%.Suggested CoVID-adjusted cutoffs for D-dimer: 0.5mg/L -> 0.67mg/L. Maintained NPV 100%, while specificity […]