The third heart sound (S3), also known as the “ventricular gallop,” occurs just after S2 when the mitral valve opens, allowing passive filling of the left ventricle. The S3 sound is actually ...
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What Are Heart Sounds and How to Know If They’re NormalS1 and S2 are normal heart sounds. Other heart sounds, such as S3 and S4, are abnormal. The heart has four chambers and valves: Heart sounds are broken down into two categories: systolic (related ...
The third heart sound (S3), also known as the "ventricular gallop," occurs just after S2 when the mitral valve opens allowing passive filling of the left ventricle. The S3 sound is actually ...
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