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When should the bell or diaphragm of a stethoscope be used during a physical examination?
The bell or diaphragm of a stethoscope should be used during a physical examination to listen to different frequencies of sounds. The bell is used for low-frequency sounds like heart murmurs, while the diaphragm is used for high-frequency sounds like breath sounds.
Where do you put a stethescope to listen to the stenotic mitral valve?
Place the stethoscope on the left side of the chest, over the apex of the heart, to listen to the stenotic mitral valve. The characteristic murmur of mitral stenosis is usually best heard with the bell of the stethoscope in the left lateral decubitus position.
How does a doctor listen to your heart?
A stethoscope is a device that allows a doctor to hear the sounds of your heart. Essentially the sound is transmitted from either a diaphragm or a bell that is placed on the patient's chest and through tube that splits and travels to both ears of the doctor. The doctor can use this stethoscope to hear all sorts of sounds, such as lung sounds, bowel sounds, blood vessel sounds, or even sounds of some joints.
What are the differences between the bell and diaphragm parts of a stethoscope?
The bell and diaphragm are two parts of a stethoscope that serve different purposes. The bell is used to detect low-frequency sounds, such as heart murmurs, while the diaphragm is used to detect high-frequency sounds, such as normal heart sounds. The bell is typically larger and has a wider surface area, while the diaphragm is smaller and more sensitive to subtle sounds.
Who invented the bell on a stethoscope?
Thomas Edison
When should you use a bell versus a diaphragm during a physical examination?
A bell is used to listen to low-pitched sounds like heart murmurs, while a diaphragm is used to listen to high-pitched sounds like breath sounds. Use the bell for heart and vascular sounds, and the diaphragm for lung and bowel sounds during a physical examination.
Is the Littman classic ii stethoscope a quality stethoscope?
The Littman Classic II Pediatric stethoscope features a 1-inch traditional bell ... and care to develop special high quality stethoscopes for smaller body bodies.
Is an animal stethoscope the same as a human stethoscope?
Yes, pretty much it is exactly the same stethoscope and used for almost identical purposes (though the human body is bigger so there are more uses). Every stethoscope has a flat side. Some stethoscopes--the better version-- have both a flat side and a bell-shaped side. The bell side allows more detailed exam and clearer sounds.
What portion of the stethoscope do you used to hear heart murmurs?
Most stethoscopes have a chestpiece with a bell and a diaphragm. The bell, having a smaller diameter, is used for lower pitched sounds while the diaphragm, having a larger diameter, is best for mid-range and higher pitches. Electronic stethoscopes will have a way to electronically switch between bell and diaphragm modes.
What are the two type of stethoscope chest pieces and the use of each?
The Diaphragm is the thin larger diameter piece which is used to listen to high frequency sounds such as crackles or wheezing in the lungs. The Bell is the smaller diameter piece that usually has a bowl shape. The bell is used to listen to low frequency sounds such as turbulent blood flood which could indicate bruits or blood swirling through blood vessels which are partially occluded due to plaque build up.
What month can you hear the baby's heartbeat with a stethoscope?
Around 20 to 24 weeks, you should be able to hear the babys heart with a stethoscope! It might be faint at first but the further along the louder it will get. Just don't confuse your heart with the babys heart. the babys heart will be beating much faster than yours.AnswerIt is actually quite difficult to hear a fetal heart with a stethoscope. You may be able to hear it during the last trimester depending on the position of the fetus and the quality of the stethoscope. This is why they invented the fetoscope, an antiquated device that the physcian wore on his head, it had a bell shaped listening end which was on his forehead and he could push against the babies back. Connected to that were the two ear pieces for listening.It has been replaced by the Doppler ultasound which allows doctors to hear the fetal heart as early as 8-10 weeks. If you are hearing a rapid pulsating noise with the stethoscope it is probably the "placental souffle" which is the sound of the blood pulsating through the palcenta, and not the fetal heart. AnswerIf you are cared for by a midwife she may use a Pinard stethoscope which is like a little trumpet with the wide end against the mother and the narrow end against the ear. If the baby is in a good position and the mother is quite slim you CAN hear the heartbeat from about 16 weeks but most midwives don't bother until 20-24 and the latest thinking is that there is no point in listening at all unless there is some reason to do so e.g the baby is not moving much, or the mother has pre-eclampsia.
How did Alexander Graham Bell go deaf?
listen to phone
