Abstract: A sphygmomanometer comprising a cuff for embracing the arm of a patient having a pair of sections in normally endwise relationship with cooperating fasteners for retaining the cuff in operative position. An accessory in the nature of a cord is mounted upon one section for cooperating with same to form an arm-receiving loop and to thereupon constitute an expedient for tightening such loop to reliably position the related section and to retain same against shifting while the other section is being directed about the arm in order to bring the cooperating fastening elements into operative mating relationship so that the cuff is firmly positioned for instrument operation without the services or assistance of another individual.