return of the same impulse into a zone of heart muscle that it has recently activated; sufficiently delayed that the zone is no longer refractory, as seen in most ectopic beats, reciprocal rhythms, and most tachycardias.
You will also like...
Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
Tutorials in Genetics and Evolution immerse on the molecular aspects and the works of nature that led to what every livi..
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..