S1 S2 Lub Dub
Ever wondered what "Lub-Dub" really means? That familiar sound isn't just a metaphor—it's the literal phonetic representation of your heart's valve closures.
🔊
Ever wondered what "Lub-Dub" really means? That familiar sound isn't just a metaphor—it's the literal phonetic representation of your heart's valve closures.
🔊