Heart block

Rarity: Common

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Notion

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Science and technology

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What Wikipedia says

Heart block (HB) is a disorder in the heart's rhythm due to a fault in the natural pacemaker. This is caused by an obstruction – a block – in the electrical conduction system of the heart. Sometimes this disorder is inherited.

Excerpt from the Wikipedia article “Heart block”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Steven Fruitsmaak, CC BY-SA 3.0, via Wikimedia Commons.