The present invention relates to a stethoscope and an attachment portion for a stethoscope providing improved analysis capabilities, and advantageously being embodied in a structure presenting enhanced appearance and function, in a form particularly well suited for use in auscultation of the Temporomandibular Joint (TMJ) sounds only. The invention also relates to a method of processing electronic signals relating to Temporomandibular Joints in real-time, analyzing the electronic signals, and displaying results of the analysis. Fig. 10
