The heart produces two primary sounds: S1 and S2, often referred to as “lub” and “dub.” These sounds are produced by the closure of the heart valves during the cardiac cycle. S1, or the …

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 beginning of systole and is …

The heart tone “lub,” or S1, is caused by the closure of the mitral and tricuspid atrioventricular (AV) valves at the beginning of ventricular systole. The heart tone “dub,” or S2 ( a combination …

In a healthy adult, the heart makes two sounds, commonly described as ‘lub’ and ‘dub.’. The third and fourth sounds may be heard in some healthy people, but can indicate impairment of the …

Jan 26, 2021 · Basics of Heart Sounds – S1 and S2 heart sounds. There are 2 main heart sounds that can be heard during auscultation: S 1 and S 2, also affectionately known as ‘lub’ and ‘dub’ …

The 1 st heart sound, S1 (lub), marks the beginning of systole (end of systole). Related to the closure of the mitral and tricuspid valves. Loudest at the apex. The 2 nd hear sound, S2 (dub), …

In healthy adults, there are two normal heart sounds, often described as a lub and a dub that occur in sequence with each heartbeat. These are the first heart sound (S 1) and second heart …

Before diving into charting heart sounds, it is essential to familiarize oneself with the basics. S1 is usually heard as a “lub” sound, while S2 is heard as a “dub” sound. The intensity, timing, and …

Nov 12, 2024 · How to assess the heart, including how to use the diaphragm and bell of a stethoscope, auscultating the aortic valve, pulmonic valve, Erb's point, tricuspid valve, and …

NORMAL HEART SOUNDS - S1 S2 (LUB-DUB) S1 COMPONENT. S1 produced when ventricles contract causing closure of AV valves - mitral and tricuspid valves; S1 is loudest at apex of …