S1 Heart Sounds

Abnormalities in S1 heart sounds can indicate underlying cardiac issues, making it an essential component of cardiac assessment.

S1 heart sounds, also known as the first heart sound, is a crucial component of the cardiac cycle. It is primarily caused by the closure of the atrioventricular valves (mitral and tricuspid valves) at the beginning of systole. s1 heart sounds

The first heart sound, , is the familiar "lub" in the heart’s "lub-dub" rhythm. It signals the official start of systole —the phase when your heart contracts to pump blood to the rest of the body. 💓 The Basics: What is S1? Abnormalities in S1 heart sounds can indicate underlying

In a normal cardiac cycle, the sequence of heart sounds is: s1 heart sounds

Here are some key points about S1 heart sounds: