The below are open source tools and mostly available on GNU/Linux, and can run on other platforms too: 1  GeoGebra - open source software for dynamic geometry, algebra and calculus for middle/high school and college. Exports interactive web pages.  Kig[1] A GUI based geometry editor.
â¢ Before surgery, wait at least 24 hours after the last dose of LMW heparin is administered before a spinal/epidural catheter is placed. â¢ After surgery, when there is adequate surgical site hemostasis, for twice daily dosing, wait at least 24 hours after catheter removal before resuming therapeutic-dose LMW heparin.
Heparin may be administered when a patient is at risk of developing a blood clot as a result of intravenous drugs. Lovenox may be administered when there is risk of a patient developing a blood clot as a result of surgery. Heparin and Lovenox are drugs designed to prevent the formation of blood clots in the human body. Heparin may be admisinstered to dialysis patients on a short-term basis. View slideshow of images above.