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
3. Foo dogs are meant to be a pair. Foo dogs are symbolic, protective statues, and they are designed in pairs â one is female, the other is male. The female represents yin, and symbolically protects the people dwelling inside the home, while the male statue, representing yang, protects the structure itself.oo dogs and Staffordshire dogs share some symbolism. While Staffordshire dogs originated in 19th-century England, like foo dogs they were used as symbols of protection and status.