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Yes,if you bring your ear close to the left side of your child chest, you will hear a Lub-Dub, Lub-Dub, Lub Dub sound that is regularly repeating itself in less than a second. Each Lub-Dub sound marks one heart beat.

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12y ago
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14y ago

The heart rate might be a little higher then usual.

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14y ago

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Q: Should you worry if 3 year old has a fever and heart is beating rapidly?
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