The indication for pacemaker implantation was sinus-node dysfunction in all cases, but 21 percent of patients also had atrioventricular block. A total of 1014 patients were assigned to dual-chamber pacing, and 996 patients were assigned to ventricular pacing.
blitzkrieg [(blits-kreeg)] A form of warfare used by German forces in World War II. In a blitzkrieg, troops in vehicles, such as tanks, made quick surprise strikes with support from airplanes. These tactics resulted in the swift German conquest of France in 1940 (see fall of France). Blitzkrieg is German for âlightning war.â.
What are commonly called blitzkrieg operations developed out of experiences gained on the field between 1939 to 1941. In that sense blitzkrieg is best understood as a post facto construction for explaining a complex structure of events and ideas. The Readerâs Companion to Military History.