Definition of Foreign Direct Investment Foreign direct investment (FDI) is an investment in a business by an investor from another country for which the foreign investor has control over the company purchased.
Spinal anaesthesia. Spinal anaesthesia (or spinal anesthesia), also called spinal block, subarachnoid block, intradural block and intrathecal block, is a form of regional anaesthesia involving the injection of a local anaesthetic into the subarachnoid space, generally through a fine needle, usually 9 cm (3.5 in) long.
Certified registered nurse anesthetists are able to administer anesthesia during a surgical procedure, but usually work under the supervision of an anesthesiologist. Types of Anesthesia. There are three main types of anesthesia: local, regional, and general. The type of anesthesia used for a surgical procedure is determined by several factors: 1  Type and length of the surgery. 2  Patient health. 3  Preference of the patient and physician.