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.
Five large mines operated in the Jellico coal field, which stretched from Kentucky into the Tennessee counties of Campbell, Anderson, and Scott. Other important mining areas were in Claiborne, Morgan, Hamilton, and Marion Counties.uller's earth is found in Henry, Carroll, Madison, Henderson, Chester, and Hardeman Counties. Mining and processing began in Henry County in the 1930s, and by the 1980s Tennessee fuller's earth ranked fifth in value nationally and eighth among all mineral commodities produced in the state.