The invention relates to a medical measuring device having an impedance measurement unit (100) for detecting an impedance measurement signal from the skin surface (200) of a patient to be examined via at least one measurement electrode pair (3). According to the invention, the distance between the electrodes of the measurement electrode pair (3) is from a few millimeters to several centimeters such that, during the measurement process, both electrodes of the measurement electrode pair (3) for locally detecting the impedance measurement signal contact the same region of the skin surface (200) of the patient at the same time.
