is the onomatopoeia for the sound of a healthy heartbeat. It is not the blood flowing, but the sound of your heart valves snapping shut as they pump blood.
A healthy heart follows a very specific "lub-dub—pause" pattern. This rhythm ensures that oxygen-rich blood is delivered to your organs efficiently. When a doctor listens to your heart, they aren't just counting the beats per minute; they are listening for the quality of these sounds. What if there’s an extra sound? what is the lub dub
“Dub” = valves closing to prevent backflow after release. Together, they prove your heart’s one-way plumbing is working correctly. is the onomatopoeia for the sound of a healthy heartbeat