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.
2 Initial Prophylaxis hospital phase: In the multicentre study 307, Lovenox 30 mg q12h SC for 7 -10 days, initiated within 12. 24 hours postoperatively; in the single-centre study PK537, Lovenox 40 mg qd SC initiated 12. Â± 2 hours before surgery, repeated on the day of the surgery and continued for 9 Â± 2 days.