Deciphering the Heart's Secret Code S1 and S2 Heart Sounds

Clinically S1 corresponds to the pulse. The second heart sound (S2) represents closure of the semilunar (aortic and pulmonary) valves (point d). The main normal heart sounds are the S1 and the S2 heart sound. The S3 can be normal, at times, but may be pathologic. A S4 heart sound is almost always ... Heart sounds for beginners S1, S2, S3 & S4 *WATCH WITH THE BACKGROUND MUSIC REMOVED*; https://youtu.be/pcgGnDU4a3M Welcome back to another ... S1 and the 2nd heart sound (S2, a diastolic heart sound) are normal components of the cardiac cycle, the familiar “lub-dub” sounds. S1 occurs just after the ... There are 2 main heart sounds that can be heard during auscultation: S1 and S2, also affectionately known as 'lub' and 'dub' respectively. The two normal heart sounds are S1, which is basically the tricuspid and mitral valve closing, and S2 which is the aortic and pulmonic valve closing. Normally, S1 is louder than S2 at the apex, and softer than S2 at the base of the heart. ... Like S1, S2 is made up of several components. The most audible are ... These are the first heart sound (S1) and second heart sound (S2), produced by the closing of the atrioventricular valves and semilunar valves, respectively. Lub dub (S1 and S2) heart sounds explained in 30 seconds. Learn what is actually causing the "lub dub" sound when you are listening to heart ... Heart sounds are created from blood flowing through the heart chambers as the cardiac valves open and close during the cardiac cycle.