In patients with atypical clinical presentation and/or a nondiagnostic electrocardiogram, echocardiography is frequently used to determine whether myocardial ischemia is the cause of the chest pain.t is noteworthy that emergency echocardiography in patients with ongoing chest pain is highly demanding procedure and should be preformed only by echocardiographers with adequate training for image acquisition and interpretation.
Henderson County, Tennessee. Henderson County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 27,769. Its county seat is Lexington. The county was founded in 1821 and named for James Henderson, a soldier in the War of 1812.
Hendersonville is the fourth-largest city in the Nashville metropolitan area after Nashville, Murfreesboro, and Franklin and the 11th largest in Tennessee. Hendersonville is located 18 miles northeast of downtown Nashville. The city was settled around 1784 by Daniel Smith, and is named for William Henderson.