A device (100, 200, 201, 300) for measuring and/or monitoring biological signals of a body part of a subject, the device (100, 200, 201, 300) comprising: - an electro-gram, EG sensor, configured to measure an electrical activity of the body part and to provide at least one EG signal indicative of the electrical activity of the body part, - a phono-gram, PG sensor, configured to measure an acoustic activity of the body part and to provide a PG signal indicative of the acoustic activity of the body part, - an impedance-gram, IG sensor, configured to measure an electrical impedance of the body part and to provide an IG signal indicative of the electrical impedance of the body part, and - a processor configured to: obtain the EG signal from the EG sensor, obtain the PG signal from the PG sensor, obtain the IG signal from the IG sensor, and to conjointly analyze the EG signal, the PG signal, and the IG signal to allow for an assessment of a predefined condition of the body part or the subject by deriving at least one datum based on all of the EG signal, the PG signal, and the IG signal, wherein the processor is further configured to perform the conjoint analysis by performing segment detection based on two of the EG signal, the PG signal, or the IG signal to detect a segment of interest and analyzing the other signals based on the detected segment of interest, wherein performing segment detection comprises segmenting the signal to predefined sections corresponding to phases within a predefined biological cycle, wherein analyzing the other signals based on the segmentation comprises identifying characteristic properties in one or more of the other signals based on the detected segment, wherein performing segment detection comprises detecting a section defined by two points, wherein one of the points is detected by analyzing one of the signals while the other point is detected by analyzing a second signal, and analyzing the other signals based on the segmentation comprises analyzing a third signal based on the detected section or the two points. - an electro-gram, EG sensor, configured to measure an electrical activity of the body part and to provide at least one EG signal indicative of the electrical activity of the body part, - a phono-gram, PG sensor, configured to measure an acoustic activity of the body part and to provide a PG signal indicative of the acoustic activity of the body part, - an impedance-gram, IG sensor, configured to measure an electrical impedance of the body part and to provide an IG signal indicative of the electrical impedance of the body part, and - a processor configured to: obtain the EG signal from the EG sensor, obtain the PG signal from the PG sensor, obtain the IG signal from the IG sensor, and to conjointly analyze the EG signal, the PG signal, and the IG signal to allow for an assessment of a predefined condition of the body part or the subject by deriving at least one datum based on all of the EG signal, the PG signal, and the IG signal, obtain the EG signal from the EG sensor, obtain the PG signal from the PG sensor, obtain the IG signal from the IG sensor, and to conjointly analyze the EG signal, the PG signal, and the IG signal to allow for an assessment of a predefined condition of the body part or the subject by deriving at least one datum based on all of the EG signal, the PG signal, and the IG signal, wherein the processor is further configured to perform the conjoint analysis by performing segment detection based on two of the EG signal, the PG signal, or the IG signal to detect a segment of interest and analyzing the other signals based on the detected segment of interest, wherein performing segment detection comprises segmenting the signal to predefined sections corresponding to phases within a predefined biological cycle, wherein analyzing the other signals based on the segmentation comprises identifying characteristic properties in one or more of the other signals based on the detected segment, wherein performing segment detection comprises detecting a section defined by two points, wherein one of the points is detected by analyzing one of the signals while the other point is detected by analyzing a second signal, and analyzing the other signals based on the segmentation comprises analyzing a third signal based on the detected section or the two points.