H. G. Goovaerts

TL;DR: A method is presented to measure transcellular fluid shifts during haemodialysis based on a simplified model of the electrical admittance of biological tissues that allows for the measurement of intracellular and extracellular conductivities and their ratios.

TL;DR: An instrumentation amplifier for medical and biological research applications is described, which consists of an isolated preamplifier with a high signal/ noise ratio and a computer or microprocessor controlled main amplifier that incorporates variable highpass and lowpass filtering.

TL;DR: The method was found to discriminate between preselected elderly patients at risk on the one hand, and non-risk patients and healthy young adults on the other hand and no differences in blood flow responses were found, suggesting that age per se is not a factor in the formation of pressure sores.

TL;DR: An instrument designed for accurate measurement of the mean specific electrical impedance of tissue, employed for investigation with respect to transcellular fluid shifts during haemodialysis and measurement of intrathoracic fluid content, is described.

TL;DR: A new system for accurate measurement of intraocular distances is described; it is used in conjunction with standard A-scan ultrasound equipment and a processing unit has been developed which enables selection of time intervals between echoes.