When a doctor listens to someone's heartbeat, they typically hear a characteristic sound: "lub-dub, lub-dub." In some people, though, this two-tone heartbeat is accompanied by whooshing or rasping ...

When a doctor listens to the heart of a person with a heart murmur, they may hear a whooshing, swishing, humming, or rasping sound. This is due to rapid, turbulent blood flow through the heart.

This article is brought to you by LCMC Health. Lub dub, lub dub, lub dub—These are the lyrics of a healthy heart, and this sound is music to the ears of those who work in cardiovascular healthcare.

Life's random rhythms surround us -- from the hypnotic, synchronized blinking of fireflies...to the back-and-forth motion of a child's swing... to slight variations in the otherwise steady lub-dub of ...