Dub - S1 S2 Lub

Let's break it down:

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. s1 s2 lub dub

💓 S1, S2, Lub, Dub: The Foundation of Heart Auscultation Let's break it down: Ever wondered what "Lub-Dub"