Verywell Health on MSN
What are heart sounds and how to know if they’re normal
Medically reviewed by Jeffrey S. Lander, MD Key Takeaways S1 and S2 are the normal heart sounds you hear when the heart ...
Doctors can fail to identify obvious heart murmurs because they've listened to normal and murmur heart sounds too little. But slapping the contrasting sounds onto mp3 players helps train docs quickly.
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