Result of a british survey on artificial cardiac pacemakers.

ance of pacemakers in Britain a survey was carried out in cooperation between the Institute of Cardiology, the Ministry of Health, and the agents for all types of pacemakers available. The survey was retrospective and covered every pacemaker sold in Britain between 1 April 1965 and 31 March 1966 inclusive. The type of pacemaker, serial number, date of dispatch, and hospital to which the pacemaker was sent were supplied by the manufacturers or agent for every pacemaker sold within these dates and a questionary (see below) was sent to determine the fate of the unit. The information represents the position in December 1966.