Other Descriptions:
HC UPG PM SYS CONV 1CHMBR SYS 2CHMBR SYS
PACER UPGRADE SNGL TO DUAL
UPG PACEMAKER SYS CONVERT 1CHMBR SYS 2CHMBR SYS
UPGRADE IMPL PACEMKR; SC TO DC
UPGRADE PACER SGL TO DUAL SYSTEM
UPGRADE PACER SGL TO DUAL SYSTEM PHYS
Upgrade of pacemaker system