Lub Dub: Heart Sound

This rhythm is often referred to as a "heartbeat" or "cardiac cycle." The time between each lub-dub is approximately 0.8-1.2 seconds, which corresponds to a heart rate of 60-100 beats per minute.

Imagine a two-room pump:

The lub-dub sound of a heartbeat is a vital sign that indicates a healthy heart beating away. By understanding the anatomy of heart sounds and the lub-dub phenomenon, you can appreciate the amazing complexity and beauty of the human heart. Whether you're a healthcare professional or simply someone interested in learning more about the human body, we hope this blog post has been informative and helpful. So next time you hear that lub-dub rhythm, you'll know the amazing story behind it! heart sound lub dub