SCHEMATIC VIEW OF DIFFERENT FORMS OF LOCAL ANESTHESIA
Robert K. Felter, Frances West, Lydia M. Zetzsche, and Hugh Barber, Surgical Nursing, Seventh Edition. F. A. Davis Co., Philadelphia, 1959.
(1) It is economical; that is, no anesthetic mixture is lost. (2) The fire and explosion hazards are reduced. (3) The operating team is not subjected to the odors or irritation of anesthetic agents. (4) Body heat and body fluids are conserved. (5) Quiet respirations are afforded without carbon dioxide stimulation.