[Blood circulation times and heart-dynamic times before and after pacemaker implantation].
1976
H Mattern, and
G Fricke, and
B Bartsch, and
W Reich
UI
MeSH Term
Description
Entries
D010138
Pacemaker, Artificial
A device designed to stimulate, by electric impulses, contraction of the heart muscles. It may be temporary (external) or permanent (internal or internal-external).
Determination of the shortest time interval between the injection of a substance in the vein and its arrival at some distant site in sufficient concentration to produce a recognizable end result. It represents approximately the inverse of the average velocity of blood flow between two points.