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.
Giving Lovenox or Heparin. by Subcutaneous Injection. Things to know. â¢ If the needle bends or it is bent when you remove the needle cover, you should not use it for. an injection because it may break off in the skin. Do not try to straighten the needle. Start over. with a new needle or needle and syringe if needed.