Best Answer: they are actually listening to your lungs-not your heart. there are three chambers to the lungs and to listen to all of them efficiently-the dr has to ...
What is musical hallucination? Musical hallucination (MH) is the experience of hearing music when none is being played. Hearing sound that no-one else can hear is quite common, but the experience is normally of a simple sound such as a buzzing, ringing, or sizzling: this is known as tinnitus. In a small number of people however, these experiences can be more complex and emotive, and music can be heard.
Noise- and age-related hearing loss usually affect the part of the inner ear that converts sound waves into nerve signals. Called sensorineural hearing loss, the problem typically causes a loss of hearing at higher frequencies, including sounds associated with human speech. Conductive hearing loss, by contrast, is more common in people under 40 and occurs when the outer ear or middle ear is blocked.