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.
Just as significant, the Duck River is the sole water source for 250,000 people in Middle Tennessee. The water quality of the Duck River is crucial for animals, for people, and for the local economy alike. View a video about the richness of the Duck River in mussel species.