heart block

noun

: incoordination of the heartbeat in which the atria and ventricles beat independently and which is marked by decreased cardiac output

Examples of heart block in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
People with arrhythmias or heart block because beta-blockers can slow the heart rate, which may worsen some types of arrhythmias. Sara Hoffman, Pharmd, Verywell Health, 22 Oct. 2024 Second-degree heart blocks partially disrupt the electrical signals. Mark Gurarie, Verywell Health, 2 Oct. 2024 The electrical impulse may be blocked anywhere along its path (heart block), resulting in bradycardia. Christopher Lee, Verywell Health, 22 July 2024 It was later revealed that the scan had identified a complete heart block which can lead to sudden cardiac death, per The Independent. Becca Longmire, Peoplemag, 6 June 2024 Roughly 1 in 15,000 children are born with congenital heart block, which causes an abnormally slow heart rate. Lizzy Lawrence, STAT, 12 Apr. 2023 Some patients suffer nerve damage, others heart block or swollen joints. Pamela Weintraub, Discover Magazine, 15 Dec. 2010 When the twins were two years old, Lily was diagnosed with a third-degree heart block, and received a pacemaker. Emily Burack, Town & Country, 26 July 2022 After surviving life-saving emergency surgery due to a complete heart block as a child, as well as a devastating car crash in college, the 26-year-old has worked hard to find ways to heal from her physical and emotional pain. Lanae Brody, PEOPLE.com, 15 Mar. 2022

Word History

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of heart block was in 1903

Dictionary Entries Near heart block

Cite this Entry

“Heart block.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heart%20block. Accessed 14 Nov. 2024.

Medical Definition

heart block

noun
: incoordination of the heartbeat in which the atria and ventricles beat independently due to defective transmission through the bundle of His and which is marked by decreased cardiac output often with cerebral ischemia

More from Merriam-Webster on heart block

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!