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Usually in a Doctors surgery, a Doctor would use a stethoscope to listen to your heart and lungs.
The biggest disadvantage would probably be accuracy. You probably can not properly listen to the heart with a stethoscope that was made poorly. When visiting a doctor, you would hope that your doctor was using a reliable stethoscope.
heart and lungs
Almost all of them - a stethoscope detects only sound. As all the many functions that go on inside your body as silent unless there is turbulence involved (and turbulence is actively suppressed {by growth} everywhere except during inhalation) ... thus only "errors" of fluid flow design are detectable by a stethoscope.
Percussion. The doctor would use s stethoscope.
You can't make a stethoscope you would need to go to a medical suppliers
That would be a "podiatrist".
your GP would be fine
Doctors use a stethoscope to listen to an animal's or human's internal sounds, such as the heartbeat or lungs.Stethoscope.StethoscopeA stethoscopeStethoscopeA stehoscope would be the most common instrument used.A Stethoscope.Stethoscope.---I think the term you're looking for is Auscultation, listening to internal sounds of the body with stethoscope. (source: med school)
If you were to visit a doctor that specializes in optometry, you would be having problems with your vision. Problems could include glaucoma, cataracts, retinal detachment, diabetic retinopathy and blindness.
Etymology is the study of words, where they originated, their derivatives and interpretations. Mostly in writings, so I don't think a stethoscope would make a useful tool.