Average Income and Benefits. Certified medical coders earned average annual incomes of $25,920, according to the BLS. The lowest 10 percent made less than $21,680 per year. Eighty-five percent of these workers are employed full time, according to the BLS.
At about 18 to 20 weeks, it is possible to hear a baby's heartbeat with a stethoscope, states Health & Parenting. Typically a doctor uses a heart rate Doppler to listen to a fetal heartbeat, which can be heard much earlier than with the use of a stethoscope. Continue Reading.
When I place my stethoscope on your back or sides and ask you to take a deep breath, I'm listening to your breath sounds. If I do so when my stethoscope is on the front of your chest, I'm trying to listen to your heart sounds without the interference of the breath sounds. When doctors say this they should have a stethoscope on your back or chest because they are listening to the air rush in and out of your lungs. They are trained to know the difference between normal lung sound and abnormal sounds. Any abnormal lung sounds mean you are sick and need treatment.