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.
Henderson, North Carolina. For the city in Henderson County, North Carolina, in the western part of the state, see Hendersonville, North Carolina. Henderson, a city with a population of 15,368 at the 2010 census, is the county seat of Vance County, North Carolina, United States.