Heart block
Medical term · H
The difficulty or inability of the electrical signal that triggers a heart contraction to pass through the atrioventricular node.
Related terms
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Atrioventricular nodeAlso known as the AV node. A major part of the electrical system in the heart that acts as a gateway between the atria and the ventricles. An electrical signal generated by the…
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Heart attackThe common term for a myocardial infarction. It refers to the damage that occurs when blood flow to part of the heart is blocked or drastically restricted. The blockage usually…
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Heart failureThe inability of the heart to pump enough blood to meet the needs of the body's organs.