The relationship between INTEM/HEPTEM coagulation time ratio and heparin plasma concentration in obstetric patients: an exploratory in vitro investigation.
Daniel KatzLisa LeffertChloe GetrajdmanMatthew SisonDa Wi ShinHung-Mo LinAlex ButwickPublished in: Canadian journal of anaesthesia = Journal canadien d'anesthesie (2022)
The point-of-care IH CT ratio may be useful in identifying the presence of little to no heparin activity. Further research is needed to determine if this ratio can predict heparin activity in vivo.