Smaller echocardiography machines, when used in hospitals, are accurate for detecting left ventricular dysfunction and valvular disease. This paper assessed the detection of left ventricular dysfunction and of valvular disease in the community setting by a smaller machine.
Jeyaseelan, S., Goudie, B. M., Pringle, S. D., Donnan, P. T., Sullivan, F. M., & Struthers, A. D. (2005). Agreement between community echocardiography and hospital echocardiography in patients suspected of having left ventricular systolic dysfunction. Postgraduate Medical Journal, 81(962), 777-779. https://doi.org/10.1136/pgmj.2005.033605