Hallberg's Picture of Health: Happy birthday, stethoscope

stethoscope
Stethoscope
Amanda Snyder | MPR News file

Doctors and nurses may have ditched donning a white coat to appointments, but they probably still greet you with a stethoscope dangling around their neck.

This simple yet invaluable medical device is celebrating it's bicentennial this year.

Dr. Jon Hallberg, MPR News' regular medical analyst, joined host Steven John to explain how the stethoscope works and why it's so important.

Use the audio player above to hear their conversation.

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