The RR interval of the pause is equal to the two preceding RR intervals. 1  Type I (Wenckebach) AV block (note the RR intervals in ms duration): Type I AV block is almost always located in the AV node, which means that the QRS duration is usually narrow, unless there is preexisting bundle branch disease.
Total Costs. The total tuition and living expense budget for in-state South Dakota residents to go to USD is $21,377 for the 2015/2016 academic year. Out-of-state students who don't have South Dakota residence can expect a one year cost of $24,608.
In South Dakota, the latest data shows the average teacher salary at about $39,000. The salary data for teachers in the state of South Dakota was very low, even when compared with the low salaries of teachers across the country. The stateâs schools and students suffered as a result of these low salaries.