The "lub-dub" sound of a heartbeat is the sound of the heart's valves snapping shut to ensure blood flows in one direction. It is not the sound of the heart muscle contracting, but rather the vibration caused by the closure of these valves. The Two Core Sounds
Don't forget the silence between the sounds. heartbeat sound lub dub
To maintain a healthy heart and a normal "lub-dub" sound, it's essential to: The "lub-dub" sound of a heartbeat is the
The "lub-dub" sound is the sound of the heartbeat, which is produced by the closing of the heart valves. The sound is created by two distinct sounds: heartbeat sound lub dub