Although the researchers detected EMI in the hospital en-vironment, it proved of minor significance under real-world conditions in this particular hospital. The most considerable disturbance was the self-interfering power supply of an old-fashioned ECG device. The on-line EMI distribution mapping system was tested successfully under real-world conditions, assisting the interested parties in identifying the three elements that contributed to the creation of EMI events to enable elimination of at least one of them. It has been shown, therefore, that the system offered a cost-effective digital alternative for assessing EMI-related threats. Hospitals and other environments where EMI events pose a threat are advised to note such information concerning potential EMI events and take appropriate precautions when selecting and installing equipment.
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