So, for those of you thinking of joining me in Laserland, read on for helpful tips for embarking on your own laser journey. â¢ Laser hair removal works best on light skin and dark hair. I swear by the Candela laser, but there are many other brands, including newer ones for dark skin and dark hair, like the Yag laser.
Heparin anti-Xa tests are sometimes used to monitor and adjust standard heparin (unfractionated heparin, UFH) therapy, though the primary monitoring tool for UFH is currently the PTT test.
Prompt sample processing (1 hour) is required to avoid heparin neutralization from platelet factor 4. The assay is considerably more expensive than the PTT. Despite the limitations of the PTT for monitoring adequacy of heparin therapy, it does represent a measure of the anticoagulant effect of heparin in patients.