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.
Facts about the City of Henderson, Nevada - Henderson, Nevada, is part of the greater Las Vegas metropolitan area and is located within Clark County. After Las Vegas, it is the second largest city with an estimated population of more than 270,000. North Las Vegas is the third largest city in Nevada.