Where is Bell of stethoscope used?

The bell is best for detecting lower pitch sounds, like some heart murmurs, and some bowel sounds. It is used for the detection of bruits, and for heart sounds (for a cardiac exam, you should listen with the diaphragm, and repeat with the bell).

Do you use the bell or diaphragm for heart sounds?

The bell is most effective at transmitting lower frequency sounds, while the diaphragm is most effective at transmitting higher frequency sounds.

How does the bell of a stethoscope work?

When a doctor or nurse places a stethoscope diaphragm on a patient’s chest, sound waves traveling through the patient’s body cause the flat surface of the diaphragm to vibrate. The smaller, hollow bell contacts the patient with less surface area — just the thin, metal rim.

What is stethoscope used for?

A stethoscope is used to check a person’s heart rate. A stethoscope can be used to listen for sounds of congestion in the lungs. A stethoscope may be used on a patient’s back, in addition to their chest. A medical professional may use a stethoscope while checking a patient’s blood pressure.

What is a stethoscope with a bell and diaphragm?

Tunable Diaphragm: A traditional stethoscope consists of a bell and diaphraghm. The bell is used for light skin contact to hear low frequency sounds and the diaphragm is used with firm skin contact to hear high frequency sounds.

What is the bell side of a stethoscope?

Traditionally, stethoscopes have a bell on one side of the chestpiece, and a diaphragm on the other side. The bell is used to hear the lower frequencies of sound and the diaphragm is used to hear the higher frequencies.

How does stethoscope work?

A stethoscope is used to listen to sound waves in the body. The diaphragm registers internal sound waves felt against a patient’s skin. A doctor will hold the chestpiece on the patient’s chest and sound waves will then vibrate the diaphragm. The stethoscope also has hollow acoustic tubes that are thinner than the diaphragm.