"There are several ways in which the EIT signal can be generated and processed, and these are often indicated by a specific name, which is typically written as an acronym. The signal can be single, dual (dfEIT) or multi-frequency (mfEIT). Processing may allow examination of absolute EIT signal (aEIT), frequency difference (fdEIT) or time difference EIT signal (tdEIT)."
"In some advanced centres, the technique is used to monitor the lungs of critically ill patients. It should be noted that while EIT can theoretically be used with diverse applications from monitoring peristalsis to intrinsic brain activity to clots and thrombi 1, it is not typically used for such activities as other modalities allow for superior imaging. There is active research in applying the technique in clinical neuroimaging 3 and breast cancer detection 4."
"There are several ways in which the EIT signal can be generated and processed, and these are often indicated by a specific name, which is typically written as an acronym. The signal can be single, dual (dfEIT) or multi-frequency (mfEIT). Processing may allow examination of absolute EIT signal (aEIT), frequency difference (fdEIT) or time difference EIT signal (tdEIT)."
"History and etymology"