pace car
2.That firm was the pace-setter in car design for many years, ie introduced new ideas which were copied by others.
6.Earliest ventricular activation [15 -50 ma, mean (32 ±12)ms before QRS] and nearly identical QRS morphology were obtained from pace mapping at the distal great car- diac vein in 1 Pt and from the proximal anterior interventricular vein in 7 pts who underwent epicardial mapping thmugh the cardiac veins.

