1 doctor agreed: Can be a problem: The pr interval refers to a measurement in an ekg of how long it takes the pacemaker in the top part of the heart (the atria) to reach the bottom parts (the ventricles). The normal pacemaker is the sinus node, and it should take a certain amount of time to travel from point a to b.
Define pariah dog: a feral or stray dog that typically lives near human settlements; especially : a usually medium-sized, primitive dog (as ofâ¦ a feral or stray dog that typically lives near human settlements; especially : a usually medium-sized, primitive dog (as of Africa, India, orâ¦ See the full definition since 1828
Answers. Best Answer: Parvo is a very infectious disease of dogs. It is caused by the virus, Parvovirus enteritist and is primarily a disease of puppies and young dogs less than a year old. Certain breeds including Rottweilers, German Shepherds, Beagles, American Pit Bull Terriers and Dobermans appear to be more prone to infection than other dogs.