lub-DUB, lub-DUB, lub-DUB. Sound familiar? If you listen to your heart beat, you'll hear two sounds. These "lub" and "DUB" sounds are made by the heart valves as they open and close. See the ...

S1 and S2 are the "lub-dub" sounds of a heartbeat and represent heart valves closing as blood cycles through the heart's chambers. An S3 represents blood striking the walls of a stretched ...

About Lub Dub Medical Technologies Pvt. Ltd. Patient Monitor Accessories (Ecg Cable / Spo2 Sensor / Blood Pressure Cuff's/ Temperature Sensor / Ibp Cable and Transdcuer Kit/etco2 Sensor and ...

Last. Know what a healthy beat sounds like? Lub-dub. That the valves inside the heart closing. But your amazing ticker is always open for business, pumping blood 24/7. So take great care of it.