This article discusses the usage of Intravenous Guanethidine Blocks for pain management. http://www.londonpainclinic.com/articles/2007/06/02/intravenous_guanethidine_blocks_patient_information/index.php London Pain Clinic en-gb Sat, 02 Jun 2007 15:42:30 BST dr.jenner@satellitesec.co.uk (Dr C.A.Jenner MB BS, FRCA) This article discusses the usage of Intravenous Guanethidine Blocks for pain management. http://www.londonpainclinic.com/articles/2007/06/02/intravenous_guanethidine_blocks_patient_information/index.php http://www.londonpainclinic.com/articles/2007/06/02/intravenous_guanethidine_blocks_patient_information/index.php