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.
By Ann Toplovich, Tennessee Historical Society. Emil Bott's painting of the Cumberland River near Nashville, ca. 1855. From its headwaters in Lechter County, Kentucky, to its mouth at Smithland on the Ohio River, the Cumberland River travels almost 700 miles and drains a watershed of 18,000 square miles.