A patient treatment unit for analyzing and treating abnormality of human or animal tissues, includes a display； a pulse generator circuit that outputs a sequence of electrical pulses at a pulse frequency, the electrical pulses having a pulse width, the pulse generator controlling the pulse frequency and the pulse width of the electrical pulses； a pair of probes for contacting a body of a patient and electrically coupled to the pulse generator； and a voltage and current sensing circuit that senses a voltage or a current via the probes when contacting the body of the patient.
