A medical machine includes: an enclosure defining an opening, at least a portion of the enclosure being electrically conductive and acting as a first capacitor plate a medical device component located inside the enclosure a window placed adjacent to the opening a video display with an at least partially conductive case acting as a second capacitor plate and a dielectric member placed between the first and second capacitor plates, the plates and dielectric member forming a capacitor configured to prevent leakage of electromagnetic energy from the enclosure.
