Also found in: Dictionary, Thesaurus, Encyclopedia.
a stethoscope designed and equipped to detect and amplify body sounds.
A stethoscope equipped to amplify electronically sounds from the body.
See also: stethoscope
an instrument used to hear and amplify the sounds produced by the heart, lungs and other internal organs.
The modern stethoscope is binaural, with two earpieces and flexible rubber leading to them from the two-branched opening of the bell or cone. In this way, sound travels simultaneously through both of the branches to the earpieces. See also phonendoscope.
audible sounds are magnified through an amplifier to earphones, of which there may be more than one set, and may be broadcast through loudspeakers, but in both instances the results are mediocre.
one passed into the esophagus with the tip positioned at the level of the heart. It provides an excellent means of monitoring heart sounds and respiration while the animal is anesthetized.