How does stethoscope work explain with diagram?

How does stethoscope work explain with diagram?

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. Each wave bounces, or reflects, off the inside walls of the rubber tube, a process called multiple reflection.

What do doctors hear in a stethoscope?

Listening to Your Heart Your doctor will use a stethoscope to hear your heartbeat. The closing of your heart’s valves makes a “lub dub” noise. The doctor can check your heart and valve health and hear your heart’s rate and rhythm by listening to those sounds.

What is bell and diaphragm of stethoscope?

A Bell and Diaphragm The stethoscope has two different heads to receive sound, the bell and the diaphragm. The bell is used to detect low-frequency sounds and the diaphragm to detect high-frequency sounds.

Why do doctors always carry stethoscopes?

The stethoscope is a device that helps physicians or healthcare providers listen to the internal organs, such as lungs, heart and bowel sounds, and it is also used to check blood pressure. It helps to amplify the internal sounds.

Why does a stethoscope have two sides?

The stethoscope has two different heads to receive sound, the bell and the diaphragm. The bell is used to detect low-frequency sounds and the diaphragm to detect high-frequency sounds.

What is the proper way to hold a stethoscope?

Holding the Stethoscope for Use: You should hold the chest piece between the index and middle fingers of your dominant hand. You should not grip the chest piece with the tips of your fingers since this can create extra noise. You should also keep your thumb under the tube to prevent it from rubbing against the skin.

What is stethoscope easy words?

: a medical instrument for detecting sounds produced in the body that are conveyed to the ears of the listener through rubber tubing connected with a piece placed upon the area to be examined.

What’s the working principle of an electronic stethoscope?

All the electronic stethoscopes fall into two types, namely amplifying & digitizing. The working principle of electronic stethoscopes is similar to acoustic stethoscopes. But, the main difference is, electronic stethoscopes works with a battery and used to amplify human body sound clearly.

Where does the sound come from in a stethoscope?

Acoustic stethoscopes are familiar to most people, and operate on the transmission of sound from the chest piece, via air-filled hollow tubes, to the listener’s ears. The chestpiece usually consists of two sides that can be placed against the patient for sensing sound – a diaphragm (plastic disc) or bell (hollow cup).

What’s the difference between a stethoscope and a battery?

But, the main difference is, electronic stethoscopes works with a battery and used to amplify human body sound clearly. The sound level of the traditional stethoscope is extremely low. So, electronic stethoscopes use an advanced technology to overcome this problem by electronically amplifying body sounds.

Can a stethoscope be used as a recording device?

In this type of stethoscope, the easy and small effective method of sound detection is attained by placing a microphone in the chest piece. This stethoscope is a recording device, and can provide audio and visual o/p, signal enhancement and noise reduction.