Question

What creates the whirring sound between the lub and the dub in a heart with a heart murmur?

Answer 1

The familiar 'lub-dub' sound of the heartbeat is caused by the rhythmic closing of the heart valves as blood is pumped in and out of the chambers. A heart murmur is a whooshing, humming or rasping sound between the heartbeat sounds.

Answer 2

The whirring sound of the heart is because of the following reasons:

Explanation:

• The heart murmur can be observed like whooshing, rasping sound and blowing sound.
• This can be heart during the heart beat.
• The sound is caused due to the turbulent flow of the blood through the valves of the heart.
• The murmur is because of many reasons like when the valve becomes leaky and when the blood vessels get narrowed down.

Learn more about lub and dub of heart:

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