Dub _top_ — What Is The Lub

The second sound, known as , is the "dub." It is shorter, sharper, and slightly higher-pitched.

These usually indicate turbulent blood flow. This could be caused by a valve that doesn't close tightly enough (regurgitation) or one that is too stiff to open fully (stenosis). what is the lub dub

This occurs at the beginning of systole , the phase where the heart squeezes. 2. The "Dub" (S2) The second sound, known as , is the "dub

To prevent blood from flowing backward into the upper chambers (atria), the mitral and tricuspid valves snap shut. This occurs at the beginning of systole ,

Your heart has four chambers and four valves. These valves act like one-way doors, ensuring that blood flows in the right direction. When these "doors" slam shut, they create vibrations in the heart tissues and the blood, which we hear as the heartbeat. 1. The "Lub" (S1)

The "lub-dub" isn't actually the sound of the heart muscle contracting. Instead, it is the sound of

It was a typical day on the ward, with patients coming and going, and Emily was assigned to monitor the vital signs of a new patient, an elderly man named Mr. Johnson. As she strapped on his blood pressure cuff and placed the stethoscope on his chest, she was eager to listen to his heartbeat.