Brief, factual summary of the article in Slovak: The article informs that switching off ultrasound machines after use leads to a reduction in energy consumption, without disrupting the work process. Ultrasound machines are often left on even when not in use, which unnecessarily increases energy costs. Turning off the machines after use is a simple and effective way to reduce energy consumption in healthcare facilities. The article reports that this practice does not negatively impact the work process and can result in financial savings for healthcare facilities.