... Cardiac Pacing, 6th Edition !!"#$%&'3 Principles of Pacemaker—Myocardial ... values for initial implant and generator changeaI. Acute measurements (measured at a pulse width of 0.5 msec)7,&4, A;N4,A&N ,?A1&&4,A2, ... !();,&,?"#@,AII. Chronic measurements (measured at a pulse width of 0.5 msec)7,&4, A;N,A, /;N<73. '&;//4DE1&)(0//+&)0/&/2:,F4,...