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.
Why the Conservancy Selected This Site. Winding 269 miles through Middle Tennessee, the Duck River is one of the state's most scenic waterways. But there's more here than meets the eye. Underneath the surface, the river teems with an almost unsurpassed variety of freshwater animal life.