The QT interval comprises the QRS-complex, the ST-segment, and the T-wave. One difficultly of QT interpretation is that the QT interval gets shorter as the heart rate increases. Thus at a heart rate of 60 bpm, the RR interval is 1 second and the QTc equals QT/1.
73 Acres Duck River, Hickman County, Tennessee. $292,000. Unspoiled Swan Creek winds its way through a picturesque 73 acres of fertile land, filled with promise and natural seclusion. A rare gem in a stretch of sought-after land that rarely comes to market - is now available for discerning buyers.
Photos By Jack Waters. Downtown Ducktown, Tennessee looking down from the Burra Burra Mine site. Ducktown & Copper Hill are located in southeast Tennessee in Polk County, near The GA/NC border.Copper was discovered there in 1843.This discovery would impact the lives of Copper Basin residents for generations.he Ducktown Basin, or Copper Basin, is located in the extreme southeast corner of Polk County, Tennessee. Three veins of copper run through the basin and each attracted several mining companies ready to exploit the resource.