Why do doctors tell you to take a deep breath and hold it while listening with a!
Question: just curious ...
Answers: just curious ...
Because they can't hear your heart through the sounds of air exchange in your lungs when you're breathing.
they are listening to your lungs, and the sounds they make when air is in them without being moved.
It expands your chest cavity and makes your heartbeat clearer. They can hear certain problems better.
so the sound of your breathing doesn't interfere with him listening to the sound of your heart beating...
They want hear your heart and not your LUNGS..