A Practical Approach to Cardiac Anesthesia (Practical Approach)
Frederick A Hensley, Donald E Martin, Glenn P Gravlee
page 43: Ephedrine
d) Advantages
(v) Nearly ideal to correct sympathectomy induced relative hypovolemia and decreased SVT after spinal or epidural anesthesia
Publisher: Wolters Kluwer/ Lippincott Williams & Wilkins
Forth Edition 2008