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
Sundog. A sundog, bearing the scientific name parhelion (plural is parhelia) which means âbeside the sunâ in Greek, is also called a mock Sun or a phantom Sun. This is an atmospheric phenomenon that results to the manifestation of bright spots of light in the horizon.It usually appears in the form of a halo or a luminously brilliant ring on either side of the Sun. Sometimes, a sundog can appear as a colored patch made of light on one side of the Sun.his is an atmospheric phenomenon that results to the manifestation of bright spots of light in the horizon. It usually appears in the form of a halo or a luminously brilliant ring on either side of the Sun. Sometimes, a sundog can appear as a colored patch made of light on one side of the Sun.