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.
Table 1: DVT and PE Treatment Summary . Initial Treatment of DVT or PE â¢ Low molecular weight heparin (LMWH) or IV heparin should be started. â¢ This should be continued for at least 5 days. â¢ Warfarin (an oral blood thinner) can be started once the heparin is at appropriate levels. â¢ Heparin can be stopped once the Warfarin is at an appropriate level (INR of 2-3).